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10030973761 = 42123826541
BaseRepresentation
bin10010101011110010…
…01000001101000001
3221220002001021010201
421111321020031001
5131020412130021
64335210325201
7503401604314
oct112571101501
927802037121
1010030973761
114288250066
121b3b429801
13c3b243743
146b230697b
153da97a591
hex255e48341

10030973761 has 4 divisors (see below), whose sum is σ = 10054800724. Its totient is φ = 10007146800.

The previous prime is 10030973759. The next prime is 10030973779. The reversal of 10030973761 is 16737903001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4303360000 + 5727613761 = 65600^2 + 75681^2 .

It is a cyclic number.

It is not a de Polignac number, because 10030973761 - 21 = 10030973759 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 10030973761.

It is not an unprimeable number, because it can be changed into a prime (10030973741) 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, 11912850 + ... + 11913691.

It is an arithmetic number, because the mean of its divisors is an integer number (2513700181).

Almost surely, 210030973761 is an apocalyptic number.

It is an amenable number.

10030973761 is a deficient number, since it is larger than the sum of its proper divisors (23826963).

10030973761 is an equidigital number, since it uses as much as digits as its factorization.

10030973761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23826962.

The product of its (nonzero) digits is 23814, while the sum is 37.

The spelling of 10030973761 in words is "ten billion, thirty million, nine hundred seventy-three thousand, seven hundred sixty-one".

Divisors: 1 421 23826541 10030973761