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130008164 = 2211131671361
BaseRepresentation
bin1111011111111…
…00010001100100
3100001122002200012
413233330101210
5231240230124
620522305352
73136023356
oct757742144
9301562605
10130008164
1167428070
1237658258
1320c1c410
14133a30d6
15b630e0e
hex7bfc464

130008164 has 48 divisors (see below), whose sum is σ = 269087616. Its totient is φ = 54182400.

The previous prime is 130008143. The next prime is 130008169. The reversal of 130008164 is 461800031.

It is not an unprimeable number, because it can be changed into a prime (130008169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94844 + ... + 96204.

It is an arithmetic number, because the mean of its divisors is an integer number (5605992).

Almost surely, 2130008164 is an apocalyptic number.

It is an amenable number.

130008164 is an abundant number, since it is smaller than the sum of its proper divisors (139079452).

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

130008164 is a wasteful number, since it uses less digits than its factorization.

130008164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 130008164 is about 11402.1122604542. The cubic root of 130008164 is about 506.5903060899.

Adding to 130008164 its reverse (461800031), we get a palindrome (591808195).

The spelling of 130008164 in words is "one hundred thirty million, eight thousand, one hundred sixty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 167 286 334 572 668 1361 1837 2171 2722 3674 4342 5444 7348 8684 14971 17693 23881 29942 35386 47762 59884 70772 95524 194623 227287 389246 454574 778492 909148 2500157 2954731 5000314 5909462 10000628 11818924 32502041 65004082 130008164