Search a number
10291899601 = 1014492
BaseRepresentation
bin10011001010111000…
…11110110011010001
3222120021000200002201
421211130132303101
5132034211241401
64421131043201
7513020463124
oct114534366321
928507020081
1010291899601
114401566555
121bb28a0501
13c80310229
146d8c283bb
1540381bb01
hex26571ecd1

10291899601 has 3 divisors (see below), whose sum is σ = 10292001051. Its totient is φ = 10291798152.

The previous prime is 10291899587. The next prime is 10291899623. The reversal of 10291899601 is 10699819201.

The square root of 10291899601 is 101449.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6170259601 + 4121640000 = 78551^2 + 64200^2 .

It is not a de Polignac number, because 10291899601 - 27 = 10291899473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10291899641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 50725 + ... + 152173.

It is an arithmetic number, because the mean of its divisors is an integer number (3430667017).

Almost surely, 210291899601 is an apocalyptic number.

10291899601 is the 101449-th square number.

10291899601 is the 50725-th centered octagonal number.

It is an amenable number.

10291899601 is a deficient number, since it is larger than the sum of its proper divisors (101450).

10291899601 is an frugal number, since it uses more digits than its factorization.

10291899601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202898 (or 101449 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 10291899601 in words is "ten billion, two hundred ninety-one million, eight hundred ninety-nine thousand, six hundred one".

Divisors: 1 101449 10291899601