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101012231023 = 11131379184957
BaseRepresentation
bin101111000010011001…
…1000101001101101111
3100122201201100000011121
41132010303011031233
53123333112343043
6114223202401411
710204114540234
oct1360463051557
9318651300147
10101012231023
1139925853270
12176b0960267
1396aa43cb02
144c6367378b
152963034ded
hex1784cc536f

101012231023 has 16 divisors (see below), whose sum is σ = 111329919360. Its totient is φ = 90887378400.

The previous prime is 101012231011. The next prime is 101012231027. The reversal of 101012231023 is 320132210101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101012231023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101012230988 and 101012231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012231027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453661 + ... + 638617.

It is an arithmetic number, because the mean of its divisors is an integer number (6958119960).

Almost surely, 2101012231023 is an apocalyptic number.

101012231023 is a deficient number, since it is larger than the sum of its proper divisors (10317688337).

101012231023 is a wasteful number, since it uses less digits than its factorization.

101012231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185478.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101012231023 its reverse (320132210101), we get a palindrome (421144441124).

The spelling of 101012231023 in words is "one hundred one billion, twelve million, two hundred thirty-one thousand, twenty-three".

Divisors: 1 11 131 379 1441 4169 49649 184957 546139 2034527 24229367 70098703 266523037 771085733 9182930093 101012231023