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10024224231 = 371925123369
BaseRepresentation
bin10010101010111110…
…11000010111100111
3221212121100100112010
421111133120113213
5131012200133411
64334405525303
7503260333350
oct112537302747
927777310463
1010024224231
11428446003a
121b39113833
13c39a1c538
146b146ad27
153da0957a6
hex2557d85e7

10024224231 has 16 divisors (see below), whose sum is σ = 16078956800. Its totient is φ = 5426647488.

The previous prime is 10024224209. The next prime is 10024224281. The reversal of 10024224231 is 13242242001.

It is not a de Polignac number, because 10024224231 - 26 = 10024224167 is a prime.

It is a super-2 number, since 2×100242242312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10024224198 and 10024224207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10024224281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12561286 + ... + 12562083.

It is an arithmetic number, because the mean of its divisors is an integer number (1004934800).

Almost surely, 210024224231 is an apocalyptic number.

10024224231 is a deficient number, since it is larger than the sum of its proper divisors (6054732569).

10024224231 is a wasteful number, since it uses less digits than its factorization.

10024224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25123398.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10024224231 its reverse (13242242001), we get a palindrome (23266466232).

The spelling of 10024224231 in words is "ten billion, twenty-four million, two hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 3 7 19 21 57 133 399 25123369 75370107 175863583 477344011 527590749 1432032033 3341408077 10024224231