Search a number
-
+
12530159093761 = 293121138441029
BaseRepresentation
bin1011011001010110011110…
…1011101000100000000001
31122100212112022221112000121
42312111213223220200001
53120243231212000021
642352135311220241
72432163010654051
oct266254753504001
948325468845017
1012530159093761
113aa1013169881
1214a4518b17681
136cb786b6686a
1431466a421561
1516ae11606741
hexb6567ae8801

12530159093761 has 8 divisors (see below), whose sum is σ = 12966386869800. Its totient is φ = 12094208206080.

The previous prime is 12530159093747. The next prime is 12530159093783. The reversal of 12530159093761 is 16739095103521.

It can be written as a sum of positive squares in 4 ways, for example, as 459704340225 + 12070454753536 = 678015^2 + 3474256^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12530159093761 - 217 = 12530158962689 is a prime.

It is a super-2 number, since 2×125301590937612 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12530159093699 and 12530159093708.

It is not an unprimeable number, because it can be changed into a prime (12530159093861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69130006 + ... + 69311023.

It is an arithmetic number, because the mean of its divisors is an integer number (1620798358725).

Almost surely, 212530159093761 is an apocalyptic number.

It is an amenable number.

12530159093761 is a deficient number, since it is larger than the sum of its proper divisors (436227776039).

12530159093761 is a wasteful number, since it uses less digits than its factorization.

12530159093761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138444179.

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 12530159093761 in words is "twelve trillion, five hundred thirty billion, one hundred fifty-nine million, ninety-three thousand, seven hundred sixty-one".

Divisors: 1 29 3121 90509 138441029 4014789841 432074451509 12530159093761