Search a number
-
+
131440231113104 = 2428167343439713
BaseRepresentation
bin11101111000101101010000…
…010010001110000110010000
3122020101120012200221101022202
4131320231100102032012100
5114212004043131104404
61143314450353022332
736454146313162454
oct3570552022160620
9566346180841282
10131440231113104
1138976541907221
12128a9bb75549a8
1358459b70a0414
142465a53936664
15102e0de64321e
hex778b5048e190

131440231113104 has 40 divisors (see below), whose sum is σ = 255951486377112. Its totient is φ = 65388929679360.

The previous prime is 131440231113089. The next prime is 131440231113137. The reversal of 131440231113104 is 401311132044131.

It can be written as a sum of positive squares in 4 ways, for example, as 5552997990400 + 125887233122704 = 2356480^2 + 11219948^2 .

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, 18694049 + ... + 24745664.

Almost surely, 2131440231113104 is an apocalyptic number.

It is an amenable number.

131440231113104 is a deficient number, since it is larger than the sum of its proper divisors (124511255264008).

131440231113104 is a wasteful number, since it uses less digits than its factorization.

131440231113104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43440675 (or 43440669 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 131440231113104 its reverse (401311132044131), we get a palindrome (532751363157235).

The spelling of 131440231113104 in words is "one hundred thirty-one trillion, four hundred forty billion, two hundred thirty-one million, one hundred thirteen thousand, one hundred four".

Divisors: 1 2 4 8 16 281 562 673 1124 1346 2248 2692 4496 5384 10768 189113 378226 756452 1512904 3025808 43439713 86879426 173758852 347517704 695035408 12206559353 24413118706 29234926849 48826237412 58469853698 97652474824 116939707396 195304949648 233879414792 467758829584 8215014444569 16430028889138 32860057778276 65720115556552 131440231113104