Search a number
-
+
13125252254553 = 321458361361617
BaseRepresentation
bin1011111011111111010111…
…1111111000101101011001
31201110202120101201022112100
42332333311333320231121
53210021004034121203
643525354015034013
72523160662243315
oct276776577705531
951422511638470
1013125252254553
11420042a7a545a
12157b91850b909
13742924052cca
143353a0b34b45
1517b6407c0ea3
hexbeff5ff8b59

13125252254553 has 6 divisors (see below), whose sum is σ = 18958697701034. Its totient is φ = 8750168169696.

The previous prime is 13125252254551. The next prime is 13125252254573. The reversal of 13125252254553 is 35545225252131.

13125252254553 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 5 + 2 + 52 + 2 + 545 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10959489702144 + 2165762552409 = 3310512^2 + 1471653^2 .

It is not a de Polignac number, because 13125252254553 - 21 = 13125252254551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13125252254499 and 13125252254508.

It is not an unprimeable number, because it can be changed into a prime (13125252254551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729180680800 + ... + 729180680817.

Almost surely, 213125252254553 is an apocalyptic number.

It is an amenable number.

13125252254553 is a deficient number, since it is larger than the sum of its proper divisors (5833445446481).

13125252254553 is a wasteful number, since it uses less digits than its factorization.

13125252254553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458361361623 (or 1458361361620 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 45.

The spelling of 13125252254553 in words is "thirteen trillion, one hundred twenty-five billion, two hundred fifty-two million, two hundred fifty-four thousand, five hundred fifty-three".

Divisors: 1 3 9 1458361361617 4375084084851 13125252254553