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23451504132 = 2237377545529
BaseRepresentation
bin10101110101110100…
…011000111000000100
32020112101010211211010
4111311310120320010
5341012041113012
614435023042220
71460102332110
oct256564307004
966471124733
1023451504132
119a44843181
124665a40370
132299794684
1411c685c740
15923c98c3c
hex575d18e04

23451504132 has 48 divisors (see below), whose sum is σ = 64227551360. Its totient is φ = 6519336192.

The previous prime is 23451504103. The next prime is 23451504133. The reversal of 23451504132 is 23140515432.

It is a self number, because there is not a number n which added to its sum of digits gives 23451504132.

It is not an unprimeable number, because it can be changed into a prime (23451504133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3769657 + ... + 3775872.

Almost surely, 223451504132 is an apocalyptic number.

It is an amenable number.

23451504132 is an abundant number, since it is smaller than the sum of its proper divisors (40776047228).

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

23451504132 is a wasteful number, since it uses less digits than its factorization.

23451504132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545580 (or 7545578 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 23451504132 in words is "twenty-three billion, four hundred fifty-one million, five hundred four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 7545529 15091058 22636587 30182116 45273174 52818703 90546348 105637406 158456109 211274812 279184573 316912218 558369146 633824436 837553719 1116738292 1675107438 1954292011 3350214876 3908584022 5862876033 7817168044 11725752066 23451504132