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131201321434432 = 2616786691416031
BaseRepresentation
bin11101110101001110110000…
…001010000111110101000000
3122012112201112200020020000021
4131311032300022013311000
5114144100301241400212
61143013015513303224
736430661024340154
oct3565166012076500
9565481480206007
10131201321434432
11388941935a1597
121286b841104b14
135829301871152
14245826bdc7064
151027caa2aa307
hex7753b0287d40

131201321434432 has 56 divisors (see below), whose sum is σ = 261942017379840. Its totient is φ = 65200274388480.

The previous prime is 131201321434397. The next prime is 131201321434481. The reversal of 131201321434432 is 234434123102131.

It is a happy number.

It is a super-2 number, since 2×1312013214344322 (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 91946257 + ... + 93362287.

It is an arithmetic number, because the mean of its divisors is an integer number (4677536024640).

Almost surely, 2131201321434432 is an apocalyptic number.

It is an amenable number.

131201321434432 is a deficient number, since it is larger than the sum of its proper divisors (130740695945408).

131201321434432 is a wasteful number, since it uses less digits than its factorization.

131201321434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424879 (or 1424869 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 131201321434432 its reverse (234434123102131), we get a palindrome (365635444536563).

The spelling of 131201321434432 in words is "one hundred thirty-one trillion, two hundred one billion, three hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 167 334 668 1336 2672 5344 8669 10688 17338 34676 69352 138704 277408 554816 1416031 1447723 2832062 2895446 5664124 5790892 11328248 11581784 22656496 23163568 45312992 46327136 90625984 92654272 236477177 472954354 945908708 1891817416 3783634832 7567269664 12275572739 15134539328 24551145478 49102290956 98204581912 196409163824 392818327648 785636655296 2050020647413 4100041294826 8200082589652 16400165179304 32800330358608 65600660717216 131201321434432