Search a number
-
+
13120934132089 = 725174692
BaseRepresentation
bin1011111011101111010010…
…0111100011100101111001
31201110100102110101222002201
42332323310213203211321
53204433133114211324
643523401322430201
72522645656641100
oct276736447434571
951410373358081
1013120934132089
1141a961428a103
12157ab12362361
137423b6559b64
143350b1451037
1517b48b65c444
hexbeef49e3979

13120934132089 has 9 divisors (see below), whose sum is σ = 15263156955567. Its totient is φ = 11246493236664.

The previous prime is 13120934132063. The next prime is 13120934132113. The reversal of 13120934132089 is 98023143902131.

It is a happy number.

The square root of 13120934132089 is 3622283.

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

It can be written as a sum of positive squares in only one way, i.e., 4091990899689 + 9028943232400 = 2022867^2 + 3004820^2 .

It is not a de Polignac number, because 13120934132089 - 25 = 13120934132057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120934132389) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25097247 + ... + 25614715.

Almost surely, 213120934132089 is an apocalyptic number.

13120934132089 is the 3622283-rd square number.

13120934132089 is the 1811142-nd centered octagonal number.

It is an amenable number.

13120934132089 is a deficient number, since it is larger than the sum of its proper divisors (2142222823478).

13120934132089 is an frugal number, since it uses more digits than its factorization.

13120934132089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034952 (or 517476 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 13120934132089 in words is "thirteen trillion, one hundred twenty billion, nine hundred thirty-four million, one hundred thirty-two thousand, eighty-nine".

Divisors: 1 7 49 517469 3622283 25355981 267774165961 1874419161727 13120934132089