Search a number
-
+
13108856468631 = 371161930299941
BaseRepresentation
bin1011111011000010010010…
…1110111011010010010111
31201102012020202011002111220
42332300210232323102113
53204233414223444011
643514043040301423
72522040453332220
oct276604456732227
951365222132456
1013108856468631
1141a4486802860
121578701611873
137412102a2631
143346873b8247
1517aed119a506
hexbec24bbb497

13108856468631 has 32 divisors (see below), whose sum is σ = 22148581019136. Its totient is φ = 6698159568000.

The previous prime is 13108856468621. The next prime is 13108856468693. The reversal of 13108856468631 is 13686465880131.

It is a happy number.

It is not a de Polignac number, because 13108856468631 - 215 = 13108856435863 is a prime.

It is a super-2 number, since 2×131088564686312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13108856468621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465135880 + ... + 465164061.

It is an arithmetic number, because the mean of its divisors is an integer number (692143156848).

Almost surely, 213108856468631 is an apocalyptic number.

13108856468631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13108856468631 is a deficient number, since it is larger than the sum of its proper divisors (9039724550505).

13108856468631 is a wasteful number, since it uses less digits than its factorization.

13108856468631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930300023.

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 13108856468631 in words is "thirteen trillion, one hundred eight billion, eight hundred fifty-six million, four hundred sixty-eight thousand, six hundred thirty-one".

Divisors: 1 3 7 11 21 33 61 77 183 231 427 671 1281 2013 4697 14091 930299941 2790899823 6512099587 10233299351 19536298761 30699898053 56748296401 71633095457 170244889203 214899286371 397238074807 624231260411 1191714224421 1872693781233 4369618822877 13108856468631