Search a number
-
+
10124033431 = 18089559679
BaseRepresentation
bin10010110110111000…
…00111110110010111
3222010120011012000011
421123130013312113
5131213223032211
64352333101051
7505611602311
oct113334076627
928116135004
1010124033431
114325831186
121b66627787
13c545c7235
146c080c7b1
153e3c0d921
hex25b707d97

10124033431 has 4 divisors (see below), whose sum is σ = 10124611200. Its totient is φ = 10123455664.

The previous prime is 10124033393. The next prime is 10124033453. The reversal of 10124033431 is 13433042101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13433042101 = 56269238729.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10124033431 is a prime.

It is a super-2 number, since 2×101240334312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10124033471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261751 + ... + 297928.

It is an arithmetic number, because the mean of its divisors is an integer number (2531152800).

Almost surely, 210124033431 is an apocalyptic number.

10124033431 is a deficient number, since it is larger than the sum of its proper divisors (577769).

10124033431 is an equidigital number, since it uses as much as digits as its factorization.

10124033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577768.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10124033431 its reverse (13433042101), we get a palindrome (23557075532).

The spelling of 10124033431 in words is "ten billion, one hundred twenty-four million, thirty-three thousand, four hundred thirty-one".

Divisors: 1 18089 559679 10124033431