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2293985664 = 2733679907
BaseRepresentation
bin1000100010111011…
…0111000110000000
312220212112112202000
42020232313012000
514144230020124
61015344024000
7110563361565
oct21056670600
95825475660
102293985664
11a77993423
12540302000
132a734a789
1417a94486c
15d65d46c9
hex88bb7180

2293985664 has 128 divisors (see below), whose sum is σ = 6872188800. Its totient is φ = 753172992.

The previous prime is 2293985651. The next prime is 2293985669. The reversal of 2293985664 is 4665893922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2293985664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2293985669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226599 + ... + 236505.

It is an arithmetic number, because the mean of its divisors is an integer number (53688975).

Almost surely, 22293985664 is an apocalyptic number.

2293985664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2293985664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3436094400).

2293985664 is an abundant number, since it is smaller than the sum of its proper divisors (4578203136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2293985664 is an equidigital number, since it uses as much as digits as its factorization.

2293985664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997 (or 9979 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2293985664 is about 47895.5704006122. The cubic root of 2293985664 is about 1318.8545434847.

It can be divided in two parts, 229 and 3985664, that added together give a palindrome (3985893).

The spelling of 2293985664 in words is "two billion, two hundred ninety-three million, nine hundred eighty-five thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 67 72 96 108 128 134 144 192 201 216 268 288 384 402 432 536 576 603 804 864 1072 1152 1206 1608 1728 1809 2144 2412 3216 3456 3618 4288 4824 6432 7236 8576 9648 9907 12864 14472 19296 19814 25728 28944 29721 38592 39628 57888 59442 77184 79256 89163 115776 118884 158512 178326 231552 237768 267489 317024 356652 475536 534978 634048 663769 713304 951072 1069956 1268096 1327538 1426608 1902144 1991307 2139912 2655076 2853216 3804288 3982614 4279824 5310152 5706432 5973921 7965228 8559648 10620304 11412864 11947842 15930456 17119296 17921763 21240608 23895684 31860912 34238592 35843526 42481216 47791368 63721824 71687052 84962432 95582736 127443648 143374104 191165472 254887296 286748208 382330944 573496416 764661888 1146992832 2293985664