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380400813188 = 221122033924409
BaseRepresentation
bin1011000100100011010…
…01111100010010000100
31100100212210020112001222
411202101221330102010
522213030102010223
6450430445335512
736324454363454
oct5422151742204
91310783215058
10380400813188
11137366384250
1261883567598
1329b43ccb196
14145a9213d64
159d65e520c8
hex5891a7c484

380400813188 has 24 divisors (see below), whose sum is σ = 726549569760. Its totient is φ = 172830928320.

The previous prime is 380400813047. The next prime is 380400813211. The reversal of 380400813188 is 881318004083.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865273 + ... + 2059136.

It is an arithmetic number, because the mean of its divisors is an integer number (30272898740).

Almost surely, 2380400813188 is an apocalyptic number.

It is an amenable number.

380400813188 is a deficient number, since it is larger than the sum of its proper divisors (346148756572).

380400813188 is a wasteful number, since it uses less digits than its factorization.

380400813188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926627 (or 3926625 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 380400813188 in words is "three hundred eighty billion, four hundred million, eight hundred thirteen thousand, one hundred eighty-eight".

Divisors: 1 2 4 11 22 44 2203 4406 8812 24233 48466 96932 3924409 7848818 15697636 43168499 86336998 172673996 8645473027 17290946054 34581892108 95100203297 190200406594 380400813188