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20031330130 = 2575915730893
BaseRepresentation
bin10010101001111101…
…011101011101010010
31220201000111000002221
4102221331131131102
5312011010031010
613111404531254
71306252332250
oct225175353522
956630430087
1020031330130
11854a188899
123a70550b2a
131b73027186
14d8051d5d0
157c38a8dda
hex4a9f5d752

20031330130 has 64 divisors (see below), whose sum is σ = 42174017280. Its totient is φ = 6708259584.

The previous prime is 20031330119. The next prime is 20031330149. The reversal of 20031330130 is 3103313002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632964 + ... + 663856.

It is an arithmetic number, because the mean of its divisors is an integer number (658969020).

Almost surely, 220031330130 is an apocalyptic number.

20031330130 is an abundant number, since it is smaller than the sum of its proper divisors (22142687150).

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

20031330130 is a wasteful number, since it uses less digits than its factorization.

20031330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31123.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20031330130 its reverse (3103313002), we get a palindrome (23134643132).

The spelling of 20031330130 in words is "twenty billion, thirty-one million, three hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 59 70 118 157 295 314 413 590 785 826 1099 1570 2065 2198 4130 5495 9263 10990 18526 30893 46315 61786 64841 92630 129682 154465 216251 308930 324205 432502 648410 1081255 1822687 2162510 3645374 4850201 9113435 9700402 12758809 18226870 24251005 25517618 33951407 48502010 63794045 67902814 127588090 169757035 286161859 339514070 572323718 1430809295 2003133013 2861618590 4006266026 10015665065 20031330130