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32021113020 = 22351367612727
BaseRepresentation
bin11101110100100110…
…110110100010111100
310001122121101002012220
4131310212312202330
51011034401104040
622413231325340
72212340653431
oct356446664274
9101577332186
1032021113020
11126420a1176
126257980850
133034022370
14179aa3bb88
15c762ac2d0
hex7749b68bc

32021113020 has 96 divisors (see below), whose sum is σ = 97997265408. Its totient is φ = 7764463872.

The previous prime is 32021113009. The next prime is 32021113027. The reversal of 32021113020 is 2031112023.

It is a super-2 number, since 2×320211130202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32021113027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254104 + ... + 358623.

It is an arithmetic number, because the mean of its divisors is an integer number (1020804848).

Almost surely, 232021113020 is an apocalyptic number.

32021113020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32021113020 is an abundant number, since it is smaller than the sum of its proper divisors (65976152388).

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

32021113020 is a wasteful number, since it uses less digits than its factorization.

32021113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612819 (or 612817 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 32021113020 its reverse (2031112023), we get a palindrome (34052225043).

The spelling of 32021113020 in words is "thirty-two billion, twenty-one million, one hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 67 78 130 134 156 195 201 260 268 335 390 402 670 780 804 871 1005 1340 1742 2010 2613 3484 4020 4355 5226 8710 10452 13065 17420 26130 52260 612727 1225454 1838181 2450908 3063635 3676362 6127270 7352724 7965451 9190905 12254540 15930902 18381810 23896353 31861804 36763620 39827255 41052709 47792706 79654510 82105418 95585412 119481765 123158127 159309020 164210836 205263545 238963530 246316254 410527090 477927060 492632508 533685217 615790635 821054180 1067370434 1231581270 1601055651 2134740868 2463162540 2668426085 3202111302 5336852170 6404222604 8005278255 10673704340 16010556510 32021113020