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380442646892 = 2271110711543957
BaseRepresentation
bin1011000100101000010…
…01100001100101101100
31100100222200221220010102
411202110021201211230
522213121304200032
6450434542130232
736325503066560
oct5422411414554
91310880856112
10380442646892
11137387a57560
1261895580978
1329b4c887559
14145b09c36a0
159d69967362
hex589426196c

380442646892 has 48 divisors (see below), whose sum is σ = 837814295808. Its totient is φ = 146839120320.

The previous prime is 380442646891. The next prime is 380442647023. The reversal of 380442646892 is 298646244083.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (380442646891) 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, 5739023 + ... + 5804934.

It is an arithmetic number, because the mean of its divisors is an integer number (17454464496).

Almost surely, 2380442646892 is an apocalyptic number.

It is an amenable number.

380442646892 is an abundant number, since it is smaller than the sum of its proper divisors (457371648916).

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

380442646892 is a wasteful number, since it uses less digits than its factorization.

380442646892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544086 (or 11544084 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 380442646892 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 107 154 214 308 428 749 1177 1498 2354 2996 4708 8239 16478 32956 11543957 23087914 46175828 80807699 126983527 161615398 253967054 323230796 507934108 888884689 1235203399 1777769378 2470406798 3555538756 4940813596 8646423793 13587237389 17292847586 27174474778 34585695172 54348949556 95110661723 190221323446 380442646892