Search a number
-
+
105201272872 = 2313150159109
BaseRepresentation
bin110000111111001111…
…1000000100000101000
3101001112122202101021201
41201332133000200220
53210423011212442
6120155004213544
710412662031233
oct1417637004050
9331478671251
10105201272872
1140685415423
121847b83a2b4
139bc727cab7
14513db5641a
152b0ab9c7b7
hex187e7c0828

105201272872 has 8 divisors (see below), whose sum is σ = 197252386650. Its totient is φ = 52600636432.

The previous prime is 105201272831. The next prime is 105201272893. The reversal of 105201272872 is 278272102501.

It can be written as a sum of positive squares in only one way, i.e., 54758808036 + 50442464836 = 234006^2 + 224594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1052012728722 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575079547 + ... + 6575079562.

Almost surely, 2105201272872 is an apocalyptic number.

It is an amenable number.

105201272872 is a deficient number, since it is larger than the sum of its proper divisors (92051113778).

105201272872 is a wasteful number, since it uses less digits than its factorization.

105201272872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13150159115 (or 13150159111 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The spelling of 105201272872 in words is "one hundred five billion, two hundred one million, two hundred seventy-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13150159109 26300318218 52600636436 105201272872