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122203113132013 = 997312253395481
BaseRepresentation
bin11011110010010010100001…
…001001100000111111101101
3121000200111121001211001200121
4123302102201021200333231
5112004133433430211023
61111523200221124541
734511612030626654
oct3362224111407755
9530614531731617
10122203113132013
1135a3505a597371
12118579473b9751
13532591cc55554
14222693b25619b
15e1dbb4046d5d
hex6f24a1260fed

122203113132013 has 4 divisors (see below), whose sum is σ = 122215366537468. Its totient is φ = 122190859726560.

The previous prime is 122203113132011. The next prime is 122203113132073. The reversal of 122203113132013 is 310231311302221.

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 9263756624164 + 112939356507849 = 3043642^2 + 10627293^2 .

It is a cyclic number.

It is not a de Polignac number, because 122203113132013 - 21 = 122203113132011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122203113132011) 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, 6126687768 + ... + 6126707713.

It is an arithmetic number, because the mean of its divisors is an integer number (30553841634367).

Almost surely, 2122203113132013 is an apocalyptic number.

It is an amenable number.

122203113132013 is a deficient number, since it is larger than the sum of its proper divisors (12253405455).

122203113132013 is an equidigital number, since it uses as much as digits as its factorization.

122203113132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253405454.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 122203113132013 its reverse (310231311302221), we get a palindrome (432434424434234).

The spelling of 122203113132013 in words is "one hundred twenty-two trillion, two hundred three billion, one hundred thirteen million, one hundred thirty-two thousand, thirteen".

Divisors: 1 9973 12253395481 122203113132013