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889842857204 = 22731780102043
BaseRepresentation
bin11001111001011101100…
…01000111010011110100
310011001211200022202201102
430330232301013103310
5104034344232412304
61520442124345232
7121201064326220
oct14745661072364
93131750282642
10889842857204
11313420105104
1212455a6a5218
1365bb136b842
14310d6439780
151823097cd1e
hexcf2ec474f4

889842857204 has 12 divisors (see below), whose sum is σ = 1779685714464. Its totient is φ = 381361224504.

The previous prime is 889842857159. The next prime is 889842857209. The reversal of 889842857204 is 402758248988.

889842857204 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889842857209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15890050994 + ... + 15890051049.

It is an arithmetic number, because the mean of its divisors is an integer number (148307142872).

Almost surely, 2889842857204 is an apocalyptic number.

It is an amenable number.

889842857204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

889842857204 is a wasteful number, since it uses less digits than its factorization.

889842857204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31780102054 (or 31780102052 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 65.

The spelling of 889842857204 in words is "eight hundred eighty-nine billion, eight hundred forty-two million, eight hundred fifty-seven thousand, two hundred four".

Divisors: 1 2 4 7 14 28 31780102043 63560204086 127120408172 222460714301 444921428602 889842857204