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23012111332 = 22731131439461
BaseRepresentation
bin10101011011101000…
…001111001111100100
32012101202100101012201
4111123220033033210
5334112100030312
614323245224244
71443155501410
oct253350171744
965352311181
1023012111332
119839811931
124562862084
13222973ca32
141184361d40
158ea403557
hex55ba0f3e4

23012111332 has 96 divisors (see below), whose sum is σ = 48084664320. Its totient is φ = 9429264000.

The previous prime is 23012111321. The next prime is 23012111351. The reversal of 23012111332 is 23311121032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49917582 + ... + 49918042.

It is an arithmetic number, because the mean of its divisors is an integer number (500881920).

Almost surely, 223012111332 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 23012111332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24042332160).

23012111332 is an abundant number, since it is smaller than the sum of its proper divisors (25072552988).

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

23012111332 is a wasteful number, since it uses less digits than its factorization.

23012111332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23012111332 its reverse (23311121032), we get a palindrome (46323232364).

The spelling of 23012111332 in words is "twenty-three billion, twelve million, one hundred eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 31 62 124 131 217 262 434 439 461 524 868 878 917 922 1756 1834 1844 3073 3227 3668 4061 6146 6454 8122 12292 12908 13609 14291 16244 27218 28427 28582 54436 56854 57164 57509 60391 95263 100037 113708 115018 120782 190526 200074 202379 230036 241564 381052 400148 402563 404758 422737 805126 809516 845474 1416653 1610252 1690948 1782779 1872121 2833306 3565558 3744242 5666612 6273749 7131116 7488484 12479453 12547498 13104847 24958906 25094996 26209694 26511649 43916243 49917812 52419388 53023298 87832486 106046596 175664972 185581543 371163086 742326172 821861119 1643722238 3287444476 5753027833 11506055666 23012111332