Search a number
-
+
130245512401 = 197809817237
BaseRepresentation
bin111100101001100111…
…1001100110011010001
3110110012000220120022201
41321103033030303101
54113220322344101
6135500045203201
712260414405644
oct1712317146321
9413160816281
10130245512401
1150267218244
12212aab60501
13c388a05744
146437d37a5b
1535c46ace01
hex1e533cccd1

130245512401 has 8 divisors (see below), whose sum is σ = 131068630440. Its totient is φ = 129424030848.

The previous prime is 130245512399. The next prime is 130245512413. The reversal of 130245512401 is 104215542031.

It can be written as a sum of positive squares in 4 ways, for example, as 99603360000 + 30642152401 = 315600^2 + 175049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130245512401 - 21 = 130245512399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130245512401.

It is not an unprimeable number, because it can be changed into a prime (130245512101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249246 + ... + 567991.

It is an arithmetic number, because the mean of its divisors is an integer number (16383578805).

Almost surely, 2130245512401 is an apocalyptic number.

It is an amenable number.

130245512401 is a deficient number, since it is larger than the sum of its proper divisors (823118039).

130245512401 is an equidigital number, since it uses as much as digits as its factorization.

130245512401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818243.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 130245512401 in words is "one hundred thirty billion, two hundred forty-five million, five hundred twelve thousand, four hundred one".

Divisors: 1 197 809 159373 817237 160995689 661144733 130245512401