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20147654030 = 2573747165511
BaseRepresentation
bin10010110000111001…
…001100110110001110
31221000010100212111112
4102300321030312032
5312230244412110
613131122052022
71312164143060
oct226071146616
957003325445
1020147654030
1185a9909749
123aa34aa012
131b91164a9a
14d91b5d730
157cdbd5405
hex4b0e4cd8e

20147654030 has 64 divisors (see below), whose sum is σ = 43472719872. Its totient is φ = 6578029440.

The previous prime is 20147654029. The next prime is 20147654083. The reversal of 20147654030 is 3045674102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38975 + ... + 204485.

It is an arithmetic number, because the mean of its divisors is an integer number (679261248).

Almost surely, 220147654030 is an apocalyptic number.

20147654030 is an abundant number, since it is smaller than the sum of its proper divisors (23325065842).

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

20147654030 is a wasteful number, since it uses less digits than its factorization.

20147654030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165609.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20147654030 in words is "twenty billion, one hundred forty-seven million, six hundred fifty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 37 47 70 74 94 185 235 259 329 370 470 518 658 1295 1645 1739 2590 3290 3478 8695 12173 17390 24346 60865 121730 165511 331022 827555 1158577 1655110 2317154 5792885 6123907 7779017 11585770 12247814 15558034 30619535 38895085 42867349 54453119 61239070 77790170 85734698 108906238 214336745 272265595 287823629 428673490 544531190 575647258 1439118145 2014765403 2878236290 4029530806 10073827015 20147654030