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380442647863 = 7131153172001
BaseRepresentation
bin1011000100101000010…
…01100001110100110111
31100100222200221221110101
411202110021201310313
522213121304212423
6450434542134531
736325503102445
oct5422411416467
91310880857411
10380442647863
11137387a58263
1261895581447
1329b4c887b25
14145b09c3b95
159d699677ad
hex5894261d37

380442647863 has 8 divisors (see below), whose sum is σ = 385815622176. Its totient is φ = 375070080000.

The previous prime is 380442647857. The next prime is 380442647867. The reversal of 380442647863 is 368746244083.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380442647863 - 25 = 380442647831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380442647867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125863 + ... + 2297863.

It is an arithmetic number, because the mean of its divisors is an integer number (48226952772).

Almost surely, 2380442647863 is an apocalyptic number.

380442647863 is a deficient number, since it is larger than the sum of its proper divisors (5372974313).

380442647863 is a wasteful number, since it uses less digits than its factorization.

380442647863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203225.

The product of its (nonzero) digits is 18579456, while the sum is 55.

The spelling of 380442647863 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-seven thousand, eight hundred sixty-three".

Divisors: 1 71 31153 172001 2211863 12212071 5358347153 380442647863