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130101253 = 370135153
BaseRepresentation
bin1111100000100…
…11000000000101
3100001210211100221
413300103000011
5231301220003
620524304341
73136561642
oct760230005
9301724327
10130101253
1167490aa7
12376a20b1
1320c528b9
14133c8dc9
15b64d7bd
hex7c13005

130101253 has 4 divisors (see below), whose sum is σ = 130140108. Its totient is φ = 130062400.

The previous prime is 130101239. The next prime is 130101259. The reversal of 130101253 is 352101031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352101031 = 1104731873.

It can be written as a sum of positive squares in 2 ways, for example, as 17698849 + 112402404 = 4207^2 + 10602^2 .

It is a cyclic number.

It is not a de Polignac number, because 130101253 - 29 = 130100741 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 (130101259) 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, 13876 + ... + 21277.

It is an arithmetic number, because the mean of its divisors is an integer number (32535027).

Almost surely, 2130101253 is an apocalyptic number.

It is an amenable number.

130101253 is a deficient number, since it is larger than the sum of its proper divisors (38855).

130101253 is an equidigital number, since it uses as much as digits as its factorization.

130101253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38854.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 130101253 is about 11406.1936245182. The cubic root of 130101253 is about 506.7111875602.

Adding to 130101253 its reverse (352101031), we get a palindrome (482202284).

The spelling of 130101253 in words is "one hundred thirty million, one hundred one thousand, two hundred fifty-three".

Divisors: 1 3701 35153 130101253