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131553336400449 = 3159727458429639
BaseRepresentation
bin11101111010010110100101…
…111000101001101001000001
3122020210101011012111022010020
4131322112211320221221001
5114220332213104303244
61143442433551524053
736465262212232005
oct3572264570515101
9566711135438106
10131553336400449
1138a0a50289a707
1212907b02229629
135853570a26b52
14246b3032cc705
15103200e17ad19
hex77a5a5e29a41

131553336400449 has 8 divisors (see below), whose sum is σ = 175514282258880. Its totient is φ = 87647307404496.

The previous prime is 131553336400433. The next prime is 131553336400517. The reversal of 131553336400449 is 944004633355131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131553336400449 - 24 = 131553336400433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131553336400429) 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, 13729210029 + ... + 13729219610.

It is an arithmetic number, because the mean of its divisors is an integer number (21939285282360).

Almost surely, 2131553336400449 is an apocalyptic number.

It is an amenable number.

131553336400449 is a deficient number, since it is larger than the sum of its proper divisors (43960945858431).

131553336400449 is a wasteful number, since it uses less digits than its factorization.

131553336400449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27458431239.

The product of its (nonzero) digits is 6998400, while the sum is 51.

The spelling of 131553336400449 in words is "one hundred thirty-one trillion, five hundred fifty-three billion, three hundred thirty-six million, four hundred thousand, four hundred forty-nine".

Divisors: 1 3 1597 4791 27458429639 82375288917 43851112133483 131553336400449