Search a number
-
+
12880550275 = 522322400957
BaseRepresentation
bin10111111111011110…
…11001100110000011
31020020200000202020121
423333233121212003
5202334410102100
65530042521111
7634122604465
oct137757314603
936220022217
1012880550275
11550a80a07a
1225b5806197
1312a370b3a8
148a2954135
15505c0951a
hex2ffbd9983

12880550275 has 12 divisors (see below), whose sum is σ = 16666312752. Its totient is φ = 9856420640.

The previous prime is 12880550261. The next prime is 12880550279. The reversal of 12880550275 is 57205508821.

It is not a de Polignac number, because 12880550275 - 27 = 12880550147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12880550279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11199904 + ... + 11201053.

It is an arithmetic number, because the mean of its divisors is an integer number (1388859396).

Almost surely, 212880550275 is an apocalyptic number.

12880550275 is a deficient number, since it is larger than the sum of its proper divisors (3785762477).

12880550275 is a wasteful number, since it uses less digits than its factorization.

12880550275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22400990 (or 22400985 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The spelling of 12880550275 in words is "twelve billion, eight hundred eighty million, five hundred fifty thousand, two hundred seventy-five".

Divisors: 1 5 23 25 115 575 22400957 112004785 515222011 560023925 2576110055 12880550275