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2983157856 = 253373713331
BaseRepresentation
bin1011000111001111…
…0110000001100000
321200220100010021000
42301303312001200
522102142022411
61212003232000
7133632265140
oct26163660140
97626303230
102983157856
1112a0a07718
126b3078600
13387068583
142042a0920
15126d68956
hexb1cf6060

2983157856 has 192 divisors, whose sum is σ = 10213378560. Its totient is φ = 829232640.

The previous prime is 2983157839. The next prime is 2983157887. The reversal of 2983157856 is 6587513892.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217111 + ... + 230441.

It is an arithmetic number, because the mean of its divisors is an integer number (53194680).

Almost surely, 22983157856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2983157856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5106689280).

2983157856 is an abundant number, since it is smaller than the sum of its proper divisors (7230220704).

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

2983157856 is a wasteful number, since it uses less digits than its factorization.

2983157856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13394 (or 13380 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 2983157856 is about 54618.2923204305. The cubic root of 2983157856 is about 1439.5455510402.

The spelling of 2983157856 in words is "two billion, nine hundred eighty-three million, one hundred fifty-seven thousand, eight hundred fifty-six".