Search a number
-
+
1372137555631 is a prime number
BaseRepresentation
bin10011111101111001110…
…001011000011010101111
311212011201121212222011211
4103331321301120122233
5134440114203240011
62530203513455251
7201063563532553
oct23757161303257
94764647788154
101372137555631
11489a13973467
121a1b1a111527
139c51334b9bb
144a5aa025863
1525a5c01ab21
hex13f79c586af

1372137555631 has 2 divisors, whose sum is σ = 1372137555632. Its totient is φ = 1372137555630.

The previous prime is 1372137555599. The next prime is 1372137555643. The reversal of 1372137555631 is 1365557312731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1372137555631 - 25 = 1372137555599 is a prime.

It is a super-2 number, since 2×13721375556312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372137555931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686068777815 + 686068777816.

It is an arithmetic number, because the mean of its divisors is an integer number (686068777816).

Almost surely, 21372137555631 is an apocalyptic number.

1372137555631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372137555631 is an equidigital number, since it uses as much as digits as its factorization.

1372137555631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1984500, while the sum is 49.

The spelling of 1372137555631 in words is "one trillion, three hundred seventy-two billion, one hundred thirty-seven million, five hundred fifty-five thousand, six hundred thirty-one".