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472131131274 = 232112384500663
BaseRepresentation
bin1101101111011010011…
…01010101011110001010
31200010122122000111101100
412313231031111132022
530213411032200044
61000521040402230
746052564254245
oct6675515253612
91603578014340
10472131131274
11172258795990
1277603916376
13356a24536ca
1418bcbc4a25c
15c434170869
hex6ded35578a

472131131274 has 24 divisors (see below), whose sum is σ = 1115946310752. Its totient is φ = 143070039720.

The previous prime is 472131131243. The next prime is 472131131299.

472131131274 is a `hidden beast` number, since 4 + 7 + 21 + 311 + 312 + 7 + 4 = 666.

472131131274 is nontrivially palindromic in base 10.

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 11 ways as a sum of consecutive naturals, for example, 1192250134 + ... + 1192250529.

It is an arithmetic number, because the mean of its divisors is an integer number (46497762948).

Almost surely, 2472131131274 is an apocalyptic number.

472131131274 is an abundant number, since it is smaller than the sum of its proper divisors (643815179478).

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

472131131274 is a wasteful number, since it uses less digits than its factorization.

472131131274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384500682 (or 2384500679 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The spelling of 472131131274 in words is "four hundred seventy-two billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred seventy-four".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2384500663 4769001326 7153501989 14307003978 21460505967 26229507293 42921011934 52459014586 78688521879 157377043758 236065565637 472131131274