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3871205472444 = 2232887111742451
BaseRepresentation
bin111000010101010101110…
…100111011100010111100
3111201002020222001210121220
4320111111310323202330
51001411212100104234
612122223544153340
7546454036405512
oct70252564734274
914632228053556
103871205472444
111262850626862
12526322a68850
1322108c8b320b
14d551ddca4b2
156aa73db3a49
hex38555d3b8bc

3871205472444 has 24 divisors (see below), whose sum is σ = 9035941638528. Its totient is φ = 1289954842800.

The previous prime is 3871205472397. The next prime is 3871205472457. The reversal of 3871205472444 is 4442745021783.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55836582 + ... + 55905869.

It is an arithmetic number, because the mean of its divisors is an integer number (376497568272).

Almost surely, 23871205472444 is an apocalyptic number.

It is an amenable number.

3871205472444 is an abundant number, since it is smaller than the sum of its proper divisors (5164736166084).

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

3871205472444 is a wasteful number, since it uses less digits than its factorization.

3871205472444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111745345 (or 111745343 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 51.

The spelling of 3871205472444 in words is "three trillion, eight hundred seventy-one billion, two hundred five million, four hundred seventy-two thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 2887 5774 8661 11548 17322 34644 111742451 223484902 335227353 446969804 670454706 1340909412 322600456037 645200912074 967801368111 1290401824148 1935602736222 3871205472444