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23203026132 = 2231113101133877
BaseRepresentation
bin10101100111000000…
…100001010011010100
32012220001120212002020
4111213000201103110
5340004433314012
614354225213140
71450664316336
oct254700412324
965801525066
1023203026132
119927559a60
1245b67911b0
13225a165980
1411a185b456
1590c065a8c
hex5670214d4

23203026132 has 96 divisors (see below), whose sum is σ = 64235735424. Its totient is φ = 6426048000.

The previous prime is 23203026107. The next prime is 23203026139. The reversal of 23203026132 is 23162030232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203026139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106378 + ... + 240254.

It is an arithmetic number, because the mean of its divisors is an integer number (669122244).

Almost surely, 223203026132 is an apocalyptic number.

23203026132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23203026132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32117867712).

23203026132 is an abundant number, since it is smaller than the sum of its proper divisors (41032709292).

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

23203026132 is a wasteful number, since it uses less digits than its factorization.

23203026132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134009 (or 134007 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23203026132 its reverse (23162030232), we get a palindrome (46365056364).

The spelling of 23203026132 in words is "twenty-three billion, two hundred three million, twenty-six thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 101 132 143 156 202 286 303 404 429 572 606 858 1111 1212 1313 1716 2222 2626 3333 3939 4444 5252 6666 7878 13332 14443 15756 28886 43329 57772 86658 133877 173316 267754 401631 535508 803262 1472647 1606524 1740401 2945294 3480802 4417941 5221203 5890588 6961604 8835882 10442406 13521577 17671764 19144411 20884812 27043154 38288822 40564731 54086308 57433233 76577644 81129462 114866466 148737347 162258924 175780501 229732932 297474694 351561002 446212041 527341503 594949388 703122004 892424082 1054683006 1784848164 1933585511 2109366012 3867171022 5800756533 7734342044 11601513066 23203026132