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213474013752 = 233192926336131
BaseRepresentation
bin1100011011010000001…
…0101111001000111000
3202102000101000111120210
43012310002233020320
511444143321420002
6242022452551120
721265041114636
oct3066402571070
9672011014523
10213474013752
118259657415a
12354580224a0
1317190977b8c
14a49179a356
15584630996c
hex31b40af238

213474013752 has 128 divisors (see below), whose sum is σ = 581460768000. Its totient is φ = 65052933120.

The previous prime is 213474013747. The next prime is 213474013763. The reversal of 213474013752 is 257310474312.

It is a self number, because there is not a number n which added to its sum of digits gives 213474013752.

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, 34815727 + ... + 34821857.

It is an arithmetic number, because the mean of its divisors is an integer number (4542662250).

Almost surely, 2213474013752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213474013752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290730384000).

213474013752 is an abundant number, since it is smaller than the sum of its proper divisors (367986754248).

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

213474013752 is a wasteful number, since it uses less digits than its factorization.

213474013752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821 (or 8817 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 213474013752 in words is "two hundred thirteen billion, four hundred seventy-four million, thirteen thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 19 24 29 38 57 58 76 87 114 116 152 174 228 232 348 456 551 696 1102 1653 2204 2633 3306 4408 5266 6131 6612 7899 10532 12262 13224 15798 18393 21064 24524 31596 36786 49048 50027 63192 73572 76357 100054 116489 147144 150081 152714 177799 200108 229071 232978 300162 305428 349467 355598 400216 458142 465956 533397 600324 610856 698934 711196 916284 931912 1066794 1200648 1397868 1422392 1450783 1832568 2133588 2795736 2901566 3378181 4267176 4352349 5803132 6756362 8704698 10134543 11606264 13512724 16142923 17409396 20269086 27025448 32285846 34818792 40538172 48428769 64571692 81076344 96857538 129143384 193715076 306715537 387430152 468144767 613431074 920146611 936289534 1226862148 1404434301 1840293222 1872579068 2453724296 2808868602 3680586444 3745158136 5617737204 7361172888 8894750573 11235474408 17789501146 26684251719 35579002292 53368503438 71158004584 106737006876 213474013752