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21463264130 = 2571144962081
BaseRepresentation
bin10011111111010011…
…110110101110000010
32001101210220210021112
4103333103312232002
5322424043423010
613505440123322
71356610510040
oct237723665602
961353823245
1021463264130
1191144a9020
1241b0006542
1320408a6cb9
141078785390
1585945aa05
hex4ff4f6b82

21463264130 has 64 divisors (see below), whose sum is σ = 48274963200. Its totient is φ = 6674841600.

The previous prime is 21463264093. The next prime is 21463264169. The reversal of 21463264130 is 3146236412.

It is a super-2 number, since 2×214632641302 (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 314690 + ... + 376770.

It is an arithmetic number, because the mean of its divisors is an integer number (754296300).

Almost surely, 221463264130 is an apocalyptic number.

21463264130 is an abundant number, since it is smaller than the sum of its proper divisors (26811699070).

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

21463264130 is a wasteful number, since it uses less digits than its factorization.

21463264130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62555.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 21463264130 in words is "twenty-one billion, four hundred sixty-three million, two hundred sixty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 449 770 898 2245 3143 4490 4939 6286 9878 15715 24695 31430 34573 49390 62081 69146 124162 172865 310405 345730 434567 620810 682891 869134 1365782 2172835 3414455 4345670 4780237 6828910 9560474 23901185 27874369 47802370 55748738 139371845 195120583 278743690 306618059 390241166 613236118 975602915 1533090295 1951205830 2146326413 3066180590 4292652826 10731632065 21463264130