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159129850 = 25211532103
BaseRepresentation
bin10010111110000…
…10000011111010
3102002102122010011
421133002003322
5311214123400
623442412134
73641403265
oct1137020372
9362378104
10159129850
1181908680
124536104a
1326c77699
14171c3cdc
15de848ba
hex97c20fa

159129850 has 72 divisors (see below), whose sum is σ = 332291232. Its totient is φ = 56222400.

The previous prime is 159129833. The next prime is 159129869. The reversal of 159129850 is 58921951.

159129850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1591298502 = 50644618322045000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1544899 + ... + 1545001.

It is an arithmetic number, because the mean of its divisors is an integer number (4615156).

Almost surely, 2159129850 is an apocalyptic number.

159129850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

159129850 is the 10300-th pentagonal number.

159129850 is an abundant number, since it is smaller than the sum of its proper divisors (173161382).

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

159129850 is a wasteful number, since it uses less digits than its factorization.

159129850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 159129850 is about 12614.6680495366. The cubic root of 159129850 is about 541.8975877997.

The spelling of 159129850 in words is "one hundred fifty-nine million, one hundred twenty-nine thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 53 55 103 106 110 206 265 275 515 530 550 583 1030 1133 1166 1325 2266 2575 2650 2809 2915 5150 5459 5618 5665 5830 10918 11330 14045 14575 27295 28090 28325 29150 30899 54590 56650 60049 61798 70225 120098 136475 140450 154495 272950 289327 300245 308990 578654 600490 772475 1446635 1501225 1544950 2893270 3002450 3182597 6365194 7233175 14466350 15912985 31825970 79564925 159129850