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156147000920 = 23523169725001
BaseRepresentation
bin1001000101101100010…
…1100010011001011000
3112221001011010111220022
42101123011202121120
510024242113012140
6155422152050012
714165316415511
oct2213305423130
9487034114808
10156147000920
1160248a029a9
1226319393908
1311955c37001
1477b3d07a08
1540dd5a30b5
hex245b162658

156147000920 has 32 divisors (see below), whose sum is σ = 366606004320. Its totient is φ = 59743200000.

The previous prime is 156147000907. The next prime is 156147000959. The reversal of 156147000920 is 29000741651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84861581 + ... + 84863420.

It is an arithmetic number, because the mean of its divisors is an integer number (11456437635).

Almost surely, 2156147000920 is an apocalyptic number.

156147000920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156147000920 is an abundant number, since it is smaller than the sum of its proper divisors (210459003400).

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

156147000920 is a wasteful number, since it uses less digits than its factorization.

156147000920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169725035 (or 169725031 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 156147000920 in words is "one hundred fifty-six billion, one hundred forty-seven million, nine hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 169725001 339450002 678900004 848625005 1357800008 1697250010 3394500020 3903675023 6789000040 7807350046 15614700092 19518375115 31229400184 39036750230 78073500460 156147000920