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380637854816 = 2517937746747
BaseRepresentation
bin1011000100111111100…
…10001011110001100000
31100101111022021111001112
411202133302023301200
522214021242323231
6450510154122452
736333363245102
oct5423762136140
91311438244045
10380637854816
1113747816711a
126192aa20428
1329b811545bb
14145cc8b9572
159d7bb7692b
hex589fc8bc60

380637854816 has 48 divisors (see below), whose sum is σ = 794309873616. Its totient is φ = 178932289536.

The previous prime is 380637854789. The next prime is 380637854899. The reversal of 380637854816 is 618458736083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136355 + ... + 883101.

It is an arithmetic number, because the mean of its divisors is an integer number (16548122367).

Almost surely, 2380637854816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380637854816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397154936808).

380637854816 is an abundant number, since it is smaller than the sum of its proper divisors (413672018800).

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

380637854816 is a wasteful number, since it uses less digits than its factorization.

380637854816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747711 (or 747703 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 380637854816 in words is "three hundred eighty billion, six hundred thirty-seven million, eight hundred fifty-four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 937 1874 3748 7496 14992 15929 29984 31858 63716 127432 254864 509728 746747 1493494 2986988 5973976 11947952 12694699 23895904 25389398 50778796 101557592 203115184 406230368 699701939 1399403878 2798807756 5597615512 11195231024 11894932963 22390462048 23789865926 47579731852 95159463704 190318927408 380637854816