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7045037664 = 253719551773
BaseRepresentation
bin1101000111110101…
…01011111001100000
3200011222110222211220
412203322223321200
5103412012201124
63123023335040
7336403555260
oct64372537140
920158428756
107045037664
112a95816085
121447451480
13883744752
144ab9217a0
152b3763879
hex1a3eabe60

7045037664 has 96 divisors (see below), whose sum is σ = 22247527680. Its totient is φ = 1906924032.

The previous prime is 7045037663. The next prime is 7045037669. The reversal of 7045037664 is 4667305407.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7045037663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263119 + ... + 288654.

It is an arithmetic number, because the mean of its divisors is an integer number (231745080).

Almost surely, 27045037664 is an apocalyptic number.

It is an amenable number.

7045037664 is an abundant number, since it is smaller than the sum of its proper divisors (15202490016).

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

7045037664 is a wasteful number, since it uses less digits than its factorization.

7045037664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551812 (or 551804 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 7045037664 is about 83934.7226361057. The cubic root of 7045037664 is about 1917.0249846467.

The spelling of 7045037664 in words is "seven billion, forty-five million, thirty-seven thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 32 38 42 48 56 57 76 84 96 112 114 133 152 168 224 228 266 304 336 399 456 532 608 672 798 912 1064 1596 1824 2128 3192 4256 6384 12768 551773 1103546 1655319 2207092 3310638 3862411 4414184 6621276 7724822 8828368 10483687 11587233 13242552 15449644 17656736 20967374 23174466 26485104 30899288 31451061 41934748 46348932 52970208 61798576 62902122 73385809 83869496 92697864 123597152 125804244 146771618 167738992 185395728 220157427 251608488 293543236 335477984 370791456 440314854 503216976 587086472 880629708 1006433952 1174172944 1761259416 2348345888 3522518832 7045037664