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102031213023 = 3211336801447
BaseRepresentation
bin101111100000110001…
…0001100000111011111
3100202100201201122200200
41133001202030013133
53132424442304043
6114512242554543
710241300000235
oct1370142140737
9322321648620
10102031213023
113a2a8a61553
1217936068a53
139810594c3c
144d1cb22955
1529c27157d3
hex17c188c1df

102031213023 has 6 divisors (see below), whose sum is σ = 147378418824. Its totient is φ = 68020808676.

The previous prime is 102031213019. The next prime is 102031213033. The reversal of 102031213023 is 320312130201.

It is not a de Polignac number, because 102031213023 - 22 = 102031213019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102031212987 and 102031213005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031213033) 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 5 ways as a sum of consecutive naturals, for example, 5668400715 + ... + 5668400732.

It is an arithmetic number, because the mean of its divisors is an integer number (24563069804).

Almost surely, 2102031213023 is an apocalyptic number.

102031213023 is a deficient number, since it is larger than the sum of its proper divisors (45347205801).

102031213023 is a wasteful number, since it uses less digits than its factorization.

102031213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336801453 (or 11336801450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102031213023 its reverse (320312130201), we get a palindrome (422343343224).

The spelling of 102031213023 in words is "one hundred two billion, thirty-one million, two hundred thirteen thousand, twenty-three".

Divisors: 1 3 9 11336801447 34010404341 102031213023