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20127473130 = 235732125899
BaseRepresentation
bin10010101111101100…
…001101110111101010
31220221201101120111210
4102233230031313222
5312210113120010
613125121333550
71311530461452
oct225754156752
956851346453
1020127473130
118599485516
123a987972b6
131b89c1a21b
14d8d1c8d62
157cc04ab20
hex4afb0ddea

20127473130 has 48 divisors (see below), whose sum is σ = 48977114400. Its totient is φ = 5293759104.

The previous prime is 20127473111. The next prime is 20127473141. The reversal of 20127473130 is 3137472102.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 96921 + ... + 222819.

It is an arithmetic number, because the mean of its divisors is an integer number (1020356550).

Almost surely, 220127473130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20127473130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24488557200).

20127473130 is an abundant number, since it is smaller than the sum of its proper divisors (28849641270).

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

20127473130 is a wasteful number, since it uses less digits than its factorization.

20127473130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126055 (or 125982 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The spelling of 20127473130 in words is "twenty billion, one hundred twenty-seven million, four hundred seventy-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 5329 10658 15987 26645 31974 53290 79935 125899 159870 251798 377697 629495 755394 1258990 1888485 3776970 9190627 18381254 27571881 45953135 55143762 91906270 137859405 275718810 670915771 1341831542 2012747313 3354578855 4025494626 6709157710 10063736565 20127473130