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23543432152 = 2319296138713
BaseRepresentation
bin10101111011010011…
…000100001111011000
32020202210010021100121
4111323103010033120
5341204104312102
614452105243024
71462266604612
oct257323041730
966683107317
1023543432152
119a91721049
124690793474
1322b2840056
1411d4b4bdb2
1592bda6b37
hex57b4c43d8

23543432152 has 64 divisors (see below), whose sum is σ = 48153564000. Its totient is φ = 10748795904.

The previous prime is 23543432113. The next prime is 23543432179. The reversal of 23543432152 is 25123434532.

It is a super-2 number, since 2×235434321522 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2697748 + ... + 2706460.

Almost surely, 223543432152 is an apocalyptic number.

It is an amenable number.

23543432152 is an abundant number, since it is smaller than the sum of its proper divisors (24610131848).

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

23543432152 is a wasteful number, since it uses less digits than its factorization.

23543432152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9380 (or 9376 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 23543432152 its reverse (25123434532), we get a palindrome (48666866684).

The spelling of 23543432152 in words is "twenty-three billion, five hundred forty-three million, four hundred thirty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 19 29 38 58 76 116 152 232 551 613 1102 1226 2204 2452 4408 4904 8713 11647 17426 17777 23294 34852 35554 46588 69704 71108 93176 142216 165547 252677 331094 337763 505354 662188 675526 1010708 1324376 1351052 2021416 2702104 4800863 5341069 9601726 10682138 19203452 21364276 38406904 42728552 101480311 154891001 202960622 309782002 405921244 619564004 811842488 1239128008 2942929019 5885858038 11771716076 23543432152