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131103008 = 254096969
BaseRepresentation
bin1111101000001…
…11100100100000
3100010200201111222
413310013210200
5232030244013
621001554212
73151233341
oct764074440
9303621458
10131103008
11680056a3
1237aa5968
132121385a
14135aa0c8
15b79a508
hex7d07920

131103008 has 12 divisors (see below), whose sum is σ = 258109110. Its totient is φ = 65551488.

The previous prime is 131102981. The next prime is 131103017. The reversal of 131103008 is 800301131.

It can be written as a sum of positive squares in only one way, i.e., 117765904 + 13337104 = 10852^2 + 3652^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048453 + ... + 2048516.

Almost surely, 2131103008 is an apocalyptic number.

It is an amenable number.

131103008 is a deficient number, since it is larger than the sum of its proper divisors (127006102).

131103008 is an equidigital number, since it uses as much as digits as its factorization.

131103008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096979 (or 4096971 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 131103008 is about 11450.0221833846. The cubic root of 131103008 is about 508.0083905449.

Adding to 131103008 its reverse (800301131), we get a palindrome (931404139).

The spelling of 131103008 in words is "one hundred thirty-one million, one hundred three thousand, eight".

Divisors: 1 2 4 8 16 32 4096969 8193938 16387876 32775752 65551504 131103008