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23120132532 = 22371738941621
BaseRepresentation
bin10101100010000100…
…010011100110110100
32012200021121102102220
4111202010103212310
5334322223220112
614342104402340
71445636612130
oct254204234664
965607542386
1023120132532
119894791852
124592a763b0
132245c314c3
1411948403c0
15904b3e98c
hex5621139b4

23120132532 has 96 divisors (see below), whose sum is σ = 65449762560. Its totient is φ = 6201047040.

The previous prime is 23120132489. The next prime is 23120132551. The reversal of 23120132532 is 23523102132.

It is a happy number.

It is a congruent 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, 534682 + ... + 576302.

It is an arithmetic number, because the mean of its divisors is an integer number (681768360).

Almost surely, 223120132532 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 23120132532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32724881280).

23120132532 is an abundant number, since it is smaller than the sum of its proper divisors (42329630028).

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

23120132532 is a wasteful number, since it uses less digits than its factorization.

23120132532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42041 (or 42039 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23120132532 its reverse (23523102132), we get a palindrome (46643234664).

The spelling of 23120132532 in words is "twenty-three billion, one hundred twenty million, one hundred thirty-two thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 389 476 714 778 1167 1428 1556 2334 2723 4668 5446 6613 8169 10892 13226 16338 19839 26452 32676 39678 41621 46291 79356 83242 92582 124863 138873 166484 185164 249726 277746 291347 499452 555492 582694 707557 874041 1165388 1415114 1748082 2122671 2830228 3496164 4245342 4952899 8490684 9905798 14858697 16190569 19811596 29717394 32381138 48571707 59434788 64762276 97143414 113333983 194286828 226667966 275239673 340001949 453335932 550479346 680003898 825719019 1100958692 1360007796 1651438038 1926677711 3302876076 3853355422 5780033133 7706710844 11560066266 23120132532