Search a number
-
+
131002451202 = 23715120656331
BaseRepresentation
bin111101000000001011…
…0101100010100000010
3110112010210020001011010
41322000112230110002
54121243111414302
6140103125101350
712315235314420
oct1720026542402
9415123201133
10131002451202
11506155175a7
1221480557856
13c47978c61c
1464aa694110
15361ad7b16c
hex1e805ac502

131002451202 has 32 divisors (see below), whose sum is σ = 301417196544. Its totient is φ = 37181394000.

The previous prime is 131002451201. The next prime is 131002451233. The reversal of 131002451202 is 202154200131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (131002451201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10321824 + ... + 10334507.

It is an arithmetic number, because the mean of its divisors is an integer number (9419287392).

Almost surely, 2131002451202 is an apocalyptic number.

131002451202 is an abundant number, since it is smaller than the sum of its proper divisors (170414745342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131002451202 is a wasteful number, since it uses less digits than its factorization.

131002451202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20656494.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 131002451202 its reverse (202154200131), we get a palindrome (333156651333).

The spelling of 131002451202 in words is "one hundred thirty-one billion, two million, four hundred fifty-one thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 151 302 453 906 1057 2114 3171 6342 20656331 41312662 61968993 123937986 144594317 289188634 433782951 867565902 3119105981 6238211962 9357317943 18714635886 21833741867 43667483734 65501225601 131002451202