Search a number
-
+
1031130101200 = 24522577825253
BaseRepresentation
bin11110000000101000010…
…01001011010111010000
310122120112020012102021011
433000110021023113100
5113343223301214300
62105410012340304
7134332236150403
oct17002411132720
93576466172234
101031130101200
11368333073761
12147a0b474694
1376309820674
1437c9a9c7d3a
151bc4e6beeba
hexf01424b5d0

1031130101200 has 30 divisors (see below), whose sum is σ = 2477290069094. Its totient is φ = 412452040320.

The previous prime is 1031130101189. The next prime is 1031130101201. The reversal of 1031130101200 is 21010311301.

It can be written as a sum of positive squares in 3 ways, for example, as 25634571664 + 1005495529536 = 160108^2 + 1002744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130101201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1288912227 + ... + 1288913026.

Almost surely, 21031130101200 is an apocalyptic number.

1031130101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031130101200 is an abundant number, since it is smaller than the sum of its proper divisors (1446159967894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031130101200 is a wasteful number, since it uses less digits than its factorization.

1031130101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577825271 (or 2577825260 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1031130101200 its reverse (21010311301), we get a palindrome (1052140412501).

The spelling of 1031130101200 in words is "one trillion, thirty-one billion, one hundred thirty million, one hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2577825253 5155650506 10311301012 12889126265 20622602024 25778252530 41245204048 51556505060 64445631325 103113010120 128891262650 206226020240 257782525300 515565050600 1031130101200