Base | Representation |
---|---|
bin | 101111001000111101… |
… | …0000001100110010111 |
3 | 100200022001011022012020 |
4 | 1132101322001212113 |
5 | 3124310412430111 |
6 | 114301100224223 |
7 | 10212425056140 |
oct | 1362172014627 |
9 | 320261138166 |
10 | 101232155031 |
11 | 39a28a04447 |
12 | 1775253b073 |
13 | 9713b81a67 |
14 | 4c84960ac7 |
15 | 29774c7906 |
hex | 1791e81997 |
101232155031 has 32 divisors (see below), whose sum is σ = 155122007040. Its totient is φ = 57523931904.
The previous prime is 101232154973. The next prime is 101232155047. The reversal of 101232155031 is 130551232101.
It is not a de Polignac number, because 101232155031 - 26 = 101232154967 is a prime.
It is a super-2 number, since 2×1012321550312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 101232154992 and 101232155010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101232155051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3126481 + ... + 3158693.
It is an arithmetic number, because the mean of its divisors is an integer number (4847562720).
Almost surely, 2101232155031 is an apocalyptic number.
101232155031 is a deficient number, since it is larger than the sum of its proper divisors (53889852009).
101232155031 is a wasteful number, since it uses less digits than its factorization.
101232155031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33055.
The product of its (nonzero) digits is 900, while the sum is 24.
Adding to 101232155031 its reverse (130551232101), we get a palindrome (231783387132).
The spelling of 101232155031 in words is "one hundred one billion, two hundred thirty-two million, one hundred fifty-five thousand, thirty-one".
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