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26105123472432 = 2432829071922387
BaseRepresentation
bin1011110111110000100101…
…00111001000010000110000
310102102121212221100202200220
411323320102213020100300
511410201243102104212
6131304310030013040
75333014203222024
oct573702247102060
9112377787322626
1026105123472432
118355136706224
122b17421047180
131174919753454
146636cd710384
153040c2c4e38c
hex17be129c8430

26105123472432 has 40 divisors (see below), whose sum is σ = 67438509093696. Its totient is φ = 8701672539456.

The previous prime is 26105123472431. The next prime is 26105123472437. The reversal of 26105123472432 is 23427432150162.

It is a super-2 number, since 2×261051234724322 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26105123472431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12618343 + ... + 14540729.

Almost surely, 226105123472432 is an apocalyptic number.

It is an amenable number.

26105123472432 is an abundant number, since it is smaller than the sum of its proper divisors (41333385621264).

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

26105123472432 is a wasteful number, since it uses less digits than its factorization.

26105123472432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205305 (or 2205299 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 26105123472432 in words is "twenty-six trillion, one hundred five billion, one hundred twenty-three million, four hundred seventy-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 282907 565814 848721 1131628 1697442 1922387 2263256 3394884 3844774 4526512 5767161 6789768 7689548 11534322 13579536 15379096 23068644 30758192 46137288 92274576 543856739009 1087713478018 1631570217027 2175426956036 3263140434054 4350853912072 6526280868108 8701707824144 13052561736216 26105123472432