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168131500570 = 25113741309951
BaseRepresentation
bin1001110010010101101…
…0110001101000011010
3121001222101002011202201
42130211122301220122
510223313131004240
6205123305320414
715101312113645
oct2344532615032
9531871064681
10168131500570
1165338937970
1228702a9610a
1312b15b02517
1481cd84ca5c
1545907b0d9a
hex27256b1a1a

168131500570 has 32 divisors (see below), whose sum is σ = 339072086016. Its totient is φ = 59486328000.

The previous prime is 168131500567. The next prime is 168131500591. The reversal of 168131500570 is 75005131861.

168131500570 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20650906 + ... + 20659045.

It is an arithmetic number, because the mean of its divisors is an integer number (10596002688).

Almost surely, 2168131500570 is an apocalyptic number.

168131500570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168131500570 is an abundant number, since it is smaller than the sum of its proper divisors (170940585446).

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

168131500570 is a wasteful number, since it uses less digits than its factorization.

168131500570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41310006.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 168131500570 in words is "one hundred sixty-eight billion, one hundred thirty-one million, five hundred thousand, five hundred seventy".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 41309951 82619902 206549755 413099510 454409461 908818922 1528468187 2272047305 3056936374 4544094610 7642340935 15284681870 16813150057 33626300114 84065750285 168131500570