Search a number
-
+
31330255153125 = 3556415213563
BaseRepresentation
bin1110001111110101001001…
…01110101010011111100101
311002221010212100110020101010
413013322210232222133211
513101303330304400000
6150344530455452433
76412351633543245
oct707724456523745
9132833770406333
1031330255153125
119a8a0a528a625
12362001b087119
131463579726856
147a456cbdbb25
15394e89e28d50
hex1c7ea4baa7e5

31330255153125 has 48 divisors (see below), whose sum is σ = 52295216766912. Its totient is φ = 16683398400000.

The previous prime is 31330255153091. The next prime is 31330255153139. The reversal of 31330255153125 is 52135155203313.

It is not a de Polignac number, because 31330255153125 - 29 = 31330255152613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3402594 + ... + 8616156.

It is an arithmetic number, because the mean of its divisors is an integer number (1089483682644).

Almost surely, 231330255153125 is an apocalyptic number.

It is an amenable number.

31330255153125 is a deficient number, since it is larger than the sum of its proper divisors (20964961613787).

31330255153125 is an frugal number, since it uses more digits than its factorization.

31330255153125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214232 (or 5214212 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 39.

The spelling of 31330255153125 in words is "thirty-one trillion, three hundred thirty billion, two hundred fifty-five million, one hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 641 1875 1923 3125 3205 9375 9615 16025 48075 80125 240375 400625 1201875 2003125 5213563 6009375 15640689 26067815 78203445 130339075 391017225 651695375 1955086125 3258476875 3341893883 9775430625 10025681649 16292384375 16709469415 48877153125 50128408245 83547347075 250642041225 417736735375 1253210206125 2088683676875 6266051030625 10443418384375 31330255153125