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3198808495872 = 283411197310111
BaseRepresentation
bin101110100011000111110…
…110000001011100000000
3102022210200110112021120000
4232203013312001130000
5404402124433331442
610445302355320000
7450051312406113
oct56430766013400
912283613467500
103198808495872
111023675004220
12437b4a5b0000
131a2853040942
14b0b74a5a57a
155831d2a9d4c
hex2e8c7d81700

3198808495872 has 720 divisors, whose sum is σ = 11104174878720. Its totient is φ = 905648947200.

The previous prime is 3198808495867. The next prime is 3198808495889. The reversal of 3198808495872 is 2785948088913.

3198808495872 is a `hidden beast` number, since 31 + 9 + 8 + 8 + 0 + 8 + 4 + 9 + 587 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 3198808495872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 316364097 + ... + 316374207.

Almost surely, 23198808495872 is an apocalyptic number.

3198808495872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3198808495872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5552087439360).

3198808495872 is an abundant number, since it is smaller than the sum of its proper divisors (7905366382848).

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

3198808495872 is a wasteful number, since it uses less digits than its factorization.

3198808495872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242 (or 10219 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 72.

The spelling of 3198808495872 in words is "three trillion, one hundred ninety-eight billion, eight hundred eight million, four hundred ninety-five thousand, eight hundred seventy-two".