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130712553 = 32591991237
BaseRepresentation
bin1111100101010…
…00001111101001
3100002221212220200
413302220033221
5231430300203
620545342413
73145016106
oct762501751
9302855820
10130712553
1167869304
1237937a09
1321107c0a
1413507aad
15b71e9a3
hex7ca83e9

130712553 has 24 divisors (see below), whose sum is σ = 193128000. Its totient is φ = 85165344.

The previous prime is 130712537. The next prime is 130712567. The reversal of 130712553 is 355217031.

It is not a de Polignac number, because 130712553 - 24 = 130712537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130712353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105051 + ... + 106287.

It is an arithmetic number, because the mean of its divisors is an integer number (8047000).

Almost surely, 2130712553 is an apocalyptic number.

It is an amenable number.

130712553 is a deficient number, since it is larger than the sum of its proper divisors (62415447).

130712553 is a wasteful number, since it uses less digits than its factorization.

130712553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 130712553 is about 11432.9590657887. The cubic root of 130712553 is about 507.5035669951.

Adding to 130712553 its reverse (355217031), we get a palindrome (485929584).

The spelling of 130712553 in words is "one hundred thirty million, seven hundred twelve thousand, five hundred fifty-three".

Divisors: 1 3 9 59 177 199 531 597 1237 1791 3711 11133 11741 35223 72983 105669 218949 246163 656847 738489 2215467 14523617 43570851 130712553