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130279891354 = 2477027197233
BaseRepresentation
bin111100101010101001…
…0010110000110011010
3110110021102121012101021
41321111102112012122
54113303123010404
6135503314113054
712261312543064
oct1712522260632
9413242535337
10130279891354
11502846696a8
12212ba57b78a
13c392b81912
14643c726734
1535c76ee454
hex1e5549619a

130279891354 has 16 divisors (see below), whose sum is σ = 199607119488. Its totient is φ = 63744593472.

The previous prime is 130279891319. The next prime is 130279891373. The reversal of 130279891354 is 453198972031.

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, 561922 + ... + 759154.

It is an arithmetic number, because the mean of its divisors is an integer number (12475444968).

Almost surely, 2130279891354 is an apocalyptic number.

130279891354 is a deficient number, since it is larger than the sum of its proper divisors (69327228134).

130279891354 is a wasteful number, since it uses less digits than its factorization.

130279891354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204309.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 130279891354 in words is "one hundred thirty billion, two hundred seventy-nine million, eight hundred ninety-one thousand, three hundred fifty-four".

Divisors: 1 2 47 94 7027 14054 197233 330269 394466 660538 9269951 18539902 1385956291 2771912582 65139945677 130279891354