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389877997036 = 221130372917637
BaseRepresentation
bin1011010110001101000…
…10100001110111101100
31101021100021020100021011
411223012202201313230
522341432231401121
6455035114315004
740111353203203
oct5530642416754
91337307210234
10389877997036
11140389a687a0
1263689428a64
132a9c45a5388
1414c27b6223a
15a21ce8b7e1
hex5ac68a1dec

389877997036 has 24 divisors (see below), whose sum is σ = 744557876496. Its totient is φ = 177158857920.

The previous prime is 389877997013. The next prime is 389877997087. The reversal of 389877997036 is 630799778983.

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, 1325191 + ... + 1592446.

It is an arithmetic number, because the mean of its divisors is an integer number (31023244854).

Almost surely, 2389877997036 is an apocalyptic number.

It is an amenable number.

389877997036 is a deficient number, since it is larger than the sum of its proper divisors (354679879460).

389877997036 is a wasteful number, since it uses less digits than its factorization.

389877997036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920689 (or 2920687 counting only the distinct ones).

The product of its (nonzero) digits is 864162432, while the sum is 76.

The spelling of 389877997036 in words is "three hundred eighty-nine billion, eight hundred seventy-seven million, nine hundred ninety-seven thousand, thirty-six".

Divisors: 1 2 4 11 22 44 3037 6074 12148 33407 66814 133628 2917637 5835274 11670548 32094007 64188014 128376028 8860863569 17721727138 35443454276 97469499259 194938998518 389877997036