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20100340130 = 2513280155201
BaseRepresentation
bin10010101110000100…
…101101100110100010
31220212211100002000212
4102232010231212202
5312131141341010
613122312014122
71311051033503
oct225604554642
956784302025
1020100340130
118585133052
123a8b691342
131b8440a1b0
14d89764baa
157c998b505
hex4ae12d9a2

20100340130 has 32 divisors (see below), whose sum is σ = 38978353008. Its totient is φ = 7418880000.

The previous prime is 20100340111. The next prime is 20100340147. The reversal of 20100340130 is 3104300102.

It can be written as a sum of positive squares in 8 ways, for example, as 948824809 + 19151515321 = 30803^2 + 138389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336530 + ... + 391730.

Almost surely, 220100340130 is an apocalyptic number.

20100340130 is a deficient number, since it is larger than the sum of its proper divisors (18878012878).

20100340130 is a wasteful number, since it uses less digits than its factorization.

20100340130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58022.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20100340130 its reverse (3104300102), we get a palindrome (23204640232).

The spelling of 20100340130 in words is "twenty billion, one hundred million, three hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 2801 5602 14005 28010 36413 55201 72826 110402 182065 276005 364130 552010 717613 1435226 3588065 7176130 154618001 309236002 773090005 1546180010 2010034013 4020068026 10050170065 20100340130