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10102431022 = 25051215511
BaseRepresentation
bin10010110100010011…
…01101110100101110
3222002001111200001221
421122021231310232
5131142210243042
64350242053554
7505230150445
oct113211556456
928061450057
1010102431022
114314616a52
121b5b34a2ba
13c4cca2648
146bb9c7d5c
153e1d92d67
hex25a26dd2e

10102431022 has 4 divisors (see below), whose sum is σ = 15153646536. Its totient is φ = 5051215510.

The previous prime is 10102430993. The next prime is 10102431023. The reversal of 10102431022 is 22013420101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22013420101 = 159713784233.

It is a super-2 number, since 2×101024310222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10102430987 and 10102431005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102431023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525607754 + ... + 2525607757.

It is an arithmetic number, because the mean of its divisors is an integer number (3788411634).

Almost surely, 210102431022 is an apocalyptic number.

10102431022 is a deficient number, since it is larger than the sum of its proper divisors (5051215514).

10102431022 is an equidigital number, since it uses as much as digits as its factorization.

10102431022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051215513.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10102431022 its reverse (22013420101), we get a palindrome (32115851123).

The spelling of 10102431022 in words is "ten billion, one hundred two million, four hundred thirty-one thousand, twenty-two".

Divisors: 1 2 5051215511 10102431022