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102023001231 = 334007667077
BaseRepresentation
bin101111100000100001…
…0110111010010001111
3100202100011021110020020
41133001002313102033
53132420342014411
6114511350553223
710241140126164
oct1370102672217
9322304243206
10102023001231
113a2a4362948
1217933368813
13980b97b2a8
144d1b9c606b
1529c1b42606
hex17c10b748f

102023001231 has 4 divisors (see below), whose sum is σ = 136030668312. Its totient is φ = 68015334152.

The previous prime is 102023001127. The next prime is 102023001239. The reversal of 102023001231 is 132100320201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102023001231 - 230 = 100949259407 is a prime.

It is a super-2 number, since 2×1020230012312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102023001231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023001239) 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 3 ways as a sum of consecutive naturals, for example, 17003833536 + ... + 17003833541.

It is an arithmetic number, because the mean of its divisors is an integer number (34007667078).

Almost surely, 2102023001231 is an apocalyptic number.

102023001231 is a deficient number, since it is larger than the sum of its proper divisors (34007667081).

102023001231 is an equidigital number, since it uses as much as digits as its factorization.

102023001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34007667080.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102023001231 its reverse (132100320201), we get a palindrome (234123321432).

The spelling of 102023001231 in words is "one hundred two billion, twenty-three million, one thousand, two hundred thirty-one".

Divisors: 1 3 34007667077 102023001231