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23302313012 = 2211231311371283
BaseRepresentation
bin10101101100111011…
…010001010000110100
32020010222102011002002
4111230323101100310
5340210343004022
614412133234432
71453311251426
oct255473212064
966128364062
1023302313012
119978603730
124623a92a18
1322748b99c4
1411b0b04816
15915b29092
hex56ced1434

23302313012 has 96 divisors (see below), whose sum is σ = 47152917504. Its totient is φ = 9972934400.

The previous prime is 23302313011. The next prime is 23302313033. The reversal of 23302313012 is 21031320332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302313011) by changing a digit.

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, 18161723 + ... + 18163005.

It is an arithmetic number, because the mean of its divisors is an integer number (491176224).

Almost surely, 223302313012 is an apocalyptic number.

23302313012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23302313012 is an abundant number, since it is smaller than the sum of its proper divisors (23850604492).

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

23302313012 is a wasteful number, since it uses less digits than its factorization.

23302313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23302313012 its reverse (21031320332), we get a palindrome (44333633344).

The spelling of 23302313012 in words is "twenty-three billion, three hundred two million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 11 22 23 44 46 92 131 137 253 262 274 506 524 548 1012 1283 1441 1507 2566 2882 3013 3014 3151 5132 5764 6026 6028 6302 12052 12604 14113 17947 28226 29509 33143 34661 35894 56452 59018 66286 69322 71788 118036 132572 138644 168073 175771 197417 324599 336146 351542 394834 412781 649198 672292 703084 789668 825562 1298396 1651124 1848803 1933481 3697606 3865679 3866962 4042733 4540591 7395212 7731358 7733924 8085466 9081182 15462716 16170932 18162364 23026001 42522469 44470063 46052002 85044938 88940126 92104004 170089876 177880252 253286011 506572022 529598023 1013144044 1059196046 2118392092 5825578253 11651156506 23302313012