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10978057201 = 41292658769
BaseRepresentation
bin10100011100101011…
…11101101111110001
31001100002011002101011
422032111331233301
5134440340312301
65013201510521
7536021642446
oct121625755761
931302132334
1010978057201
114723910951
122164642441
13105c513b47
14761ddb9cd
15443ba7a51
hex28e57dbf1

10978057201 has 4 divisors (see below), whose sum is σ = 10980720100. Its totient is φ = 10975394304.

The previous prime is 10978057183. The next prime is 10978057217. The reversal of 10978057201 is 10275087901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10275087901 = 13790391377.

It can be written as a sum of positive squares in 2 ways, for example, as 5072288400 + 5905768801 = 71220^2 + 76849^2 .

It is a cyclic number.

It is not a de Polignac number, because 10978057201 - 27 = 10978057073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10978057261) 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, 1325256 + ... + 1333513.

It is an arithmetic number, because the mean of its divisors is an integer number (2745180025).

Almost surely, 210978057201 is an apocalyptic number.

It is an amenable number.

10978057201 is a deficient number, since it is larger than the sum of its proper divisors (2662899).

10978057201 is an equidigital number, since it uses as much as digits as its factorization.

10978057201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662898.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 10978057201 in words is "ten billion, nine hundred seventy-eight million, fifty-seven thousand, two hundred one".

Divisors: 1 4129 2658769 10978057201