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130973875520 = 265202312
BaseRepresentation
bin111100111111010100…
…1101011110101000000
3110112001210110020200112
41321332221223311000
54121213303004040
6140100224410452
712314440400405
oct1717651536500
9415053406615
10130973875520
115060037a234
1221472a76a28
13c473895a37
1464a69762ac
1536185d4365
hex1e7ea6bd40

130973875520 has 42 divisors (see below), whose sum is σ = 311896957866. Its totient is φ = 52386960640.

The previous prime is 130973875517. The next prime is 130973875553. The reversal of 130973875520 is 25578379031.

It can be written as a sum of positive squares in only one way, i.e., 104779100416 + 26194775104 = 323696^2 + 161848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6463805 + ... + 6484035.

Almost surely, 2130973875520 is an apocalyptic number.

130973875520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130973875520 is an abundant number, since it is smaller than the sum of its proper divisors (180923082346).

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

130973875520 is an frugal number, since it uses more digits than its factorization.

130973875520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40479 (or 20238 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 130973875520 in words is "one hundred thirty billion, nine hundred seventy-three million, eight hundred seventy-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 20231 40462 80924 101155 161848 202310 323696 404620 647392 809240 1294784 1618480 3236960 6473920 409293361 818586722 1637173444 2046466805 3274346888 4092933610 6548693776 8185867220 13097387552 16371734440 26194775104 32743468880 65486937760 130973875520