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32120212011020 = 2257503811562421
BaseRepresentation
bin1110100110110100100011…
…10100111011100000001100
311012201122212210122111101122
413103122101310323200030
513202224143233323040
6152151453252500112
76523415540210510
oct723322164734014
9135648783574348
1032120212011020
11a264118342a81
12372914201a638
1314bcbcca8bc93
147d08ab3b0140
153aa7c168a1b5
hex1d3691d3b80c

32120212011020 has 96 divisors (see below), whose sum is σ = 77337146428416. Its totient is φ = 10977178579200.

The previous prime is 32120212011007. The next prime is 32120212011029. The reversal of 32120212011020 is 2011021202123.

It is a self number, because there is not a number n which added to its sum of digits gives 32120212011020.

It is not an unprimeable number, because it can be changed into a prime (32120212011029) 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, 56829410 + ... + 57391830.

It is an arithmetic number, because the mean of its divisors is an integer number (805595275296).

Almost surely, 232120212011020 is an apocalyptic number.

It is an amenable number.

32120212011020 is an abundant number, since it is smaller than the sum of its proper divisors (45216934417396).

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

32120212011020 is a wasteful number, since it uses less digits than its factorization.

32120212011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563751 (or 563749 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 32120212011020 its reverse (2011021202123), we get a palindrome (34131233213143).

The spelling of 32120212011020 in words is "thirty-two trillion, one hundred twenty billion, two hundred twelve million, eleven thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 503 811 1006 1622 2012 2515 3244 3521 4055 5030 5677 7042 8110 10060 11354 14084 16220 17605 22708 28385 35210 56770 70420 113540 407933 562421 815866 1124842 1631732 2039665 2249684 2812105 2855531 3936947 4079330 5624210 5711062 7873894 8158660 11248420 11422124 14277655 15747788 19684735 28555310 39369470 57110620 78738940 282897763 456123431 565795526 912246862 1131591052 1414488815 1824493724 1980284341 2280617155 2828977630 3192864017 3960568682 4561234310 5657955260 6385728034 7921137364 9122468620 9901421705 12771456068 15964320085 19802843410 31928640170 39605686820 63857280340 229430085793 458860171586 917720343172 1147150428965 1606010600551 2294300857930 3212021201102 4588601715860 6424042402204 8030053002755 16060106005510 32120212011020