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13052200157 = 19686957903
BaseRepresentation
bin11000010011111100…
…01100010011011101
31020200122000110121122
430021332030103131
5203212330401112
65555053540325
7641305604453
oct141176142335
936618013548
1013052200157
115598699187
1226431a46a5
13130014a679
148bb6769d3
15515d13872
hex309f8c4dd

13052200157 has 4 divisors (see below), whose sum is σ = 13739158080. Its totient is φ = 12365242236.

The previous prime is 13052200127. The next prime is 13052200159. The reversal of 13052200157 is 75100225031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13052200157 - 210 = 13052199133 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 (13052200159) 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, 343478933 + ... + 343478970.

It is an arithmetic number, because the mean of its divisors is an integer number (3434789520).

Almost surely, 213052200157 is an apocalyptic number.

It is an amenable number.

13052200157 is a deficient number, since it is larger than the sum of its proper divisors (686957923).

13052200157 is an equidigital number, since it uses as much as digits as its factorization.

13052200157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686957922.

The product of its (nonzero) digits is 2100, while the sum is 26.

Adding to 13052200157 its reverse (75100225031), we get a palindrome (88152425188).

The spelling of 13052200157 in words is "thirteen billion, fifty-two million, two hundred thousand, one hundred fifty-seven".

Divisors: 1 19 686957903 13052200157