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19740631302 = 23271713170351
BaseRepresentation
bin10010011000101000…
…100010000100000110
31212221202110222021200
4102120220202010012
5310412100200202
613022502123330
71266122411640
oct223050420406
955852428250
1019740631302
118410087527
1239ab120546
131b27a34b32
14d53a8b890
157a80d5e1c
hex498a22106

19740631302 has 96 divisors (see below), whose sum is σ = 52152781824. Its totient is φ = 5267808000.

The previous prime is 19740631301. The next prime is 19740631303. The reversal of 19740631302 is 20313604791.

19740631302 is a `hidden beast` number, since 19 + 7 + 4 + 0 + 631 + 3 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (19740631301) and next prime (19740631303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19740631301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245427 + ... + 315777.

It is an arithmetic number, because the mean of its divisors is an integer number (543258144).

Almost surely, 219740631302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19740631302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26076390912).

19740631302 is an abundant number, since it is smaller than the sum of its proper divisors (32412150522).

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

19740631302 is a wasteful number, since it uses less digits than its factorization.

19740631302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70514 (or 70511 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 19740631302 in words is "nineteen billion, seven hundred forty million, six hundred thirty-one thousand, three hundred two".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 131 153 238 262 306 357 393 714 786 917 1071 1179 1834 2142 2227 2358 2751 4454 5502 6681 8253 13362 15589 16506 20043 31178 40086 46767 70351 93534 140301 140702 211053 280602 422106 492457 633159 984914 1195967 1266318 1477371 2391934 2954742 3587901 4432113 7175802 8371769 8864226 9215981 10763703 16743538 18431962 21527406 25115307 27647943 50230614 55295886 64511867 75345921 82943829 129023734 150691842 156671677 165887658 193535601 313343354 387071202 470015031 580606803 940030062 1096701739 1161213606 1410045093 2193403478 2820090186 3290105217 6580210434 9870315651 19740631302