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102420342023 = 1910515128967
BaseRepresentation
bin101111101100010111…
…0100110010100000111
3100210100211221110022212
41133120232212110013
53134224101421043
6115015023214035
710254033354146
oct1373056462407
9323324843285
10102420342023
113a48868196a
1217a2444731b
13987309b39c
144d5869775d
1529e697d018
hex17d8ba6507

102420342023 has 8 divisors (see below), whose sum is σ = 107913486720. Its totient is φ = 96937457400.

The previous prime is 102420341977. The next prime is 102420342047. The reversal of 102420342023 is 320243024201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102420342023 - 210 = 102420340999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102420342023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102420342083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544515 + ... + 2584452.

It is an arithmetic number, because the mean of its divisors is an integer number (13489185840).

Almost surely, 2102420342023 is an apocalyptic number.

102420342023 is a deficient number, since it is larger than the sum of its proper divisors (5493144697).

102420342023 is a wasteful number, since it uses less digits than its factorization.

102420342023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130037.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 102420342023 its reverse (320243024201), we get a palindrome (422663366224).

The spelling of 102420342023 in words is "one hundred two billion, four hundred twenty million, three hundred forty-two thousand, twenty-three".

Divisors: 1 19 1051 19969 5128967 97450373 5390544317 102420342023