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113132130020 = 22572138880073
BaseRepresentation
bin110100101011100110…
…0110100111011100100
3101211000101001200000122
41221113030310323210
53323143311130040
6123545554101112
711113343144600
oct1512714647344
9354011050018
10113132130020
1143a85157818
1219b1387a798
13a88c394590
145693182500
152e2208b1b5
hex1a57334ee4

113132130020 has 72 divisors (see below), whose sum is σ = 297624560184. Its totient is φ = 35804450304.

The previous prime is 113132129977. The next prime is 113132130053. The reversal of 113132130020 is 20031231311.

It can be written as a sum of positive squares in 4 ways, for example, as 809288704 + 112322841316 = 28448^2 + 335146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4427297 + ... + 4452776.

It is an arithmetic number, because the mean of its divisors is an integer number (4133674447).

Almost surely, 2113132130020 is an apocalyptic number.

113132130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113132130020 is an abundant number, since it is smaller than the sum of its proper divisors (184492430164).

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

113132130020 is a wasteful number, since it uses less digits than its factorization.

113132130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880109 (or 8880100 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113132130020 its reverse (20031231311), we get a palindrome (133163361331).

The spelling of 113132130020 in words is "one hundred thirteen billion, one hundred thirty-two million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 182 196 245 260 364 455 490 637 910 980 1274 1820 2548 3185 6370 12740 8880073 17760146 35520292 44400365 62160511 88800730 115440949 124321022 177601460 230881898 248642044 310802555 435123577 461763796 577204745 621605110 808086643 870247154 1154409490 1243210220 1616173286 1740494308 2175617885 2308818980 3232346572 4040433215 4351235770 5656606501 8080866430 8702471540 11313213002 16161732860 22626426004 28283032505 56566065010 113132130020