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101232254421 = 3244325390583
BaseRepresentation
bin101111001000111101…
…0011001110111010101
3100200022001100100112100
41132101322121313111
53124310424120141
6114301102312313
710212425651664
oct1362172316725
9320261310470
10101232254421
1139a28a72091
1217752588699
139713bb807c
144c84988ddb
1529774e70b6
hex1791e99dd5

101232254421 has 12 divisors (see below), whose sum is σ = 146554450848. Its totient is φ = 67335823464.

The previous prime is 101232254419. The next prime is 101232254479. The reversal of 101232254421 is 124452232101.

101232254421 is a `hidden beast` number, since 1 + 0 + 1 + 232 + 2 + 5 + 4 + 421 = 666.

It is not a de Polignac number, because 101232254421 - 21 = 101232254419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101232254491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12691305 + ... + 12699278.

It is an arithmetic number, because the mean of its divisors is an integer number (12212870904).

Almost surely, 2101232254421 is an apocalyptic number.

It is an amenable number.

101232254421 is a deficient number, since it is larger than the sum of its proper divisors (45322196427).

101232254421 is a wasteful number, since it uses less digits than its factorization.

101232254421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25391032 (or 25391029 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 101232254421 its reverse (124452232101), we get a palindrome (225684486522).

The spelling of 101232254421 in words is "one hundred one billion, two hundred thirty-two million, two hundred fifty-four thousand, four hundred twenty-one".

Divisors: 1 3 9 443 1329 3987 25390583 76171749 228515247 11248028269 33744084807 101232254421