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102251230423 = 2273691122039
BaseRepresentation
bin101111100111010100…
…1011111010011010111
3100202221001201200211021
41133032221133103113
53133402303333143
6114550142422011
710246611055336
oct1371651372327
9322831650737
10102251230423
113a401176911
1217997891907
13984703a554
144d40035d1d
1529d6bc5ced
hex17cea5f4d7

102251230423 has 8 divisors (see below), whose sum is σ = 102730343040. Its totient is φ = 101772369720.

The previous prime is 102251230399. The next prime is 102251230427. The reversal of 102251230423 is 324032152201.

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 102251230423 - 29 = 102251229911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102251230427) 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, 776838 + ... + 898876.

It is an arithmetic number, because the mean of its divisors is an integer number (12841292880).

Almost surely, 2102251230423 is an apocalyptic number.

102251230423 is a deficient number, since it is larger than the sum of its proper divisors (479112617).

102251230423 is a wasteful number, since it uses less digits than its factorization.

102251230423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125957.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 102251230423 its reverse (324032152201), we get a palindrome (426283382624).

The spelling of 102251230423 in words is "one hundred two billion, two hundred fifty-one million, two hundred thirty thousand, four hundred twenty-three".

Divisors: 1 227 3691 122039 837857 27702853 450445949 102251230423