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20122130329 = 7519611033
BaseRepresentation
bin10010101111010111…
…110101011110011001
31220221100100010120021
4102233113311132121
5312202231132304
613124411030441
71311434200000
oct225727653631
956840303507
1020122130329
118596466384
123a96a3b421
131b88a993c2
14d8c5d7c37
157cb842a54
hex4af5f5799

20122130329 has 48 divisors (see below), whose sum is σ = 25140593280. Its totient is φ = 16056351360.

The previous prime is 20122130311. The next prime is 20122130383. The reversal of 20122130329 is 92303122102.

It is not a de Polignac number, because 20122130329 - 27 = 20122130201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122130309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19478797 + ... + 19479829.

It is an arithmetic number, because the mean of its divisors is an integer number (523762360).

Almost surely, 220122130329 is an apocalyptic number.

It is an amenable number.

20122130329 is a deficient number, since it is larger than the sum of its proper divisors (5018462951).

20122130329 is an frugal number, since it uses more digits than its factorization.

20122130329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 20122130329 in words is "twenty billion, one hundred twenty-two million, one hundred thirty thousand, three hundred twenty-nine".

Divisors: 1 7 19 49 61 133 343 427 931 1033 1159 2401 2989 6517 7231 8113 16807 19627 20923 45619 50617 56791 63013 137389 146461 319333 354319 397537 441091 961723 1025227 1197247 2480233 2782759 3087637 6732061 8380729 17361631 19479313 21613459 47124427 58665103 151294213 329870989 410655721 1059059491 2874590047 20122130329