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131202112 = 262050033
BaseRepresentation
bin1111101000111…
…11110001000000
3100010212202110111
413310133301000
5232041431422
621004041104
73152125306
oct764376100
9303782414
10131202112
11680730a8
1237b33194
13212499b2
14135d4276
15b7b9a77
hex7d1fc40

131202112 has 14 divisors (see below), whose sum is σ = 260354318. Its totient is φ = 65601024.

The previous prime is 131202089. The next prime is 131202139. The reversal of 131202112 is 211202131.

It can be written as a sum of positive squares in only one way, i.e., 73685056 + 57517056 = 8584^2 + 7584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131202092 and 131202101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024953 + ... + 1025080.

It is an arithmetic number, because the mean of its divisors is an integer number (18596737).

Almost surely, 2131202112 is an apocalyptic number.

It is an amenable number.

131202112 is a deficient number, since it is larger than the sum of its proper divisors (129152206).

131202112 is an equidigital number, since it uses as much as digits as its factorization.

131202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050045 (or 2050035 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 131202112 is about 11454.3490430491. The cubic root of 131202112 is about 508.1363636651.

Adding to 131202112 its reverse (211202131), we get a palindrome (342404243).

The spelling of 131202112 in words is "one hundred thirty-one million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 2050033 4100066 8200132 16400264 32800528 65601056 131202112