Search a number
-
+
2131314131312 = 243110142979901
BaseRepresentation
bin11111000000111100001…
…110001100000101110000
321112202021221112212211222
4133000330032030011300
5234404412404200222
64311040122324212
7306660644130032
oct37007416140560
97482257485758
102131314131312
1175198129a253
122a5090959668
13125c9c780ca2
14752286b7c52
153a6913c3542
hex1f03c38c170

2131314131312 has 80 divisors (see below), whose sum is σ = 4306269214464. Its totient is φ = 1020729600000.

The previous prime is 2131314131311. The next prime is 2131314131329.

2131314131312 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131314131311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215257562 + ... + 215267462.

Almost surely, 22131314131312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131314131312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153134607232).

2131314131312 is an abundant number, since it is smaller than the sum of its proper divisors (2174955083152).

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

2131314131312 is a wasteful number, since it uses less digits than its factorization.

2131314131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14338 (or 14332 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The spelling of 2131314131312 in words is "two trillion, one hundred thirty-one billion, three hundred fourteen million, one hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 62 101 124 202 248 404 496 808 1616 3131 4297 6262 8594 9901 12524 17188 19802 25048 34376 39604 50096 68752 79208 133207 158416 266414 306931 433997 532828 613862 867994 1000001 1065656 1227724 1735988 2000002 2131312 2455448 3471976 4000004 4910896 6943952 8000008 13453907 16000016 26907814 31000031 42544597 53815628 62000062 85089194 107631256 124000124 170178388 215262512 248000248 340356776 496000496 680713552 1318882507 2637765014 4297004297 5275530028 8594008594 10551060056 17188017188 21102120112 34376034376 68752068752 133207133207 266414266414 532828532828 1065657065656 2131314131312