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130150253 = 757171929
BaseRepresentation
bin1111100000111…
…10111101101101
3100001220022120202
413300132331231
5231304302003
620525323245
73140154542
oct760367555
9301808522
10130150253
11675148a2
1237706525
1320c6bcac
14133dcbc9
15b65d088
hex7c1ef6d

130150253 has 4 divisors (see below), whose sum is σ = 130322940. Its totient is φ = 129977568.

The previous prime is 130150243. The next prime is 130150297. The reversal of 130150253 is 352051031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352051031 = 675254493.

It can be written as a sum of positive squares in 2 ways, for example, as 36699364 + 93450889 = 6058^2 + 9667^2 .

It is a cyclic number.

It is not a de Polignac number, because 130150253 - 224 = 113373037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130150243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85208 + ... + 86721.

It is an arithmetic number, because the mean of its divisors is an integer number (32580735).

Almost surely, 2130150253 is an apocalyptic number.

It is an amenable number.

130150253 is a deficient number, since it is larger than the sum of its proper divisors (172687).

130150253 is an equidigital number, since it uses as much as digits as its factorization.

130150253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172686.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 130150253 is about 11408.3413781321. The cubic root of 130150253 is about 506.7747937417.

The spelling of 130150253 in words is "one hundred thirty million, one hundred fifty thousand, two hundred fifty-three".

Divisors: 1 757 171929 130150253