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13213002232020 = 22354431213409813
BaseRepresentation
bin1100000001000110010001…
…0011011111000011010100
31201210011001211210000222210
43000101210103133003110
53212440212032411040
644033545221353420
72532415340610363
oct300214423370324
951704054700883
1013213002232020
11423466a330298
121594927868870
1374ac9997b1b6
14339726c937da
1517da7934e480
hexc04644df0d4

13213002232020 has 96 divisors (see below), whose sum is σ = 37110578908032. Its totient is φ = 3512606842368.

The previous prime is 13213002231997. The next prime is 13213002232039. The reversal of 13213002232020 is 2023220031231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32036634 + ... + 32446446.

It is an arithmetic number, because the mean of its divisors is an integer number (386568530292).

Almost surely, 213213002232020 is an apocalyptic number.

13213002232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213002232020 is an abundant number, since it is smaller than the sum of its proper divisors (23897576676012).

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

13213002232020 is a wasteful number, since it uses less digits than its factorization.

13213002232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411481 (or 411479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13213002232020 its reverse (2023220031231), we get a palindrome (15236222263251).

The spelling of 13213002232020 in words is "thirteen trillion, two hundred thirteen billion, two million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 443 886 1213 1329 1772 2215 2426 2658 3639 4430 4852 5316 6065 6645 7278 8860 12130 13290 14556 18195 24260 26580 36390 72780 409813 537359 819626 1074718 1229439 1612077 1639252 2049065 2149436 2458878 2686795 3224154 4098130 4917756 5373590 6147195 6448308 8060385 8196260 10747180 12294390 16120770 24588780 32241540 181547159 363094318 497103169 544641477 726188636 907735795 994206338 1089282954 1491309507 1815471590 1988412676 2178565908 2485515845 2723207385 2982619014 3630943180 4971031690 5446414770 5965238028 7456547535 9942063380 10892829540 14913095070 29826190140 220216703867 440433407734 660650111601 880866815468 1101083519335 1321300223202 2202167038670 2642600446404 3303250558005 4404334077340 6606501116010 13213002232020