Search a number
-
+
2731510630072 = 237143831339127
BaseRepresentation
bin100111101111111010101…
…110001000011010111000
3100200010111200011002222001
4213233322232020122320
5324223113210130242
65450501052310344
7401226244160530
oct47577256103270
910603450132861
102731510630072
119634775a4214
123814754723b4
1316a77103ac43
14962c4aac4c0
154b0bd607eb7
hex27bfab886b8

2731510630072 has 32 divisors (see below), whose sum is σ = 5853295019520. Its totient is φ = 1170635821920.

The previous prime is 2731510630039. The next prime is 2731510630097. The reversal of 2731510630072 is 2700360151372.

It is a super-2 number, since 2×27315106300722 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7884973 + ... + 8224099.

It is an arithmetic number, because the mean of its divisors is an integer number (182915469360).

Almost surely, 22731510630072 is an apocalyptic number.

It is an amenable number.

2731510630072 is an abundant number, since it is smaller than the sum of its proper divisors (3121784389448).

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

2731510630072 is a wasteful number, since it uses less digits than its factorization.

2731510630072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482971 (or 482967 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 2731510630072 in words is "two trillion, seven hundred thirty-one billion, five hundred ten million, six hundred thirty thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 143831 287662 339127 575324 678254 1006817 1150648 1356508 2013634 2373889 2713016 4027268 4747778 8054536 9495556 18991112 48776975537 97553951074 195107902148 341438828759 390215804296 682877657518 1365755315036 2731510630072