Search a number
-
+
122290869476880 = 2432513612416531361
BaseRepresentation
bin11011110011100100001111…
…110101011001111000010000
3121000222220002221212021120200
4123303210033311121320100
5112012103200041230010
61112031352212135200
734521136514353626
oct3363441765317020
9530886087767520
10122290869476880
1135a692a2781115
1211870958907500
135330c96c9ca30
14222aca4191516
15e210ed431cc0
hex6f390fd59e10

122290869476880 has 960 divisors, whose sum is σ = 452424633845184. Its totient is φ = 29419241472000.

The previous prime is 122290869476851. The next prime is 122290869476891. The reversal of 122290869476880 is 88674968092221.

122290869476880 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 90 + 8 + 69 + 476 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 32 ways, for example, as 122195514507264 + 95354969616 = 11054208^2 + 308796^2 .

It is a super-2 number, since 2×1222908694768802 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 122290869476799 and 122290869476808.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 89853687400 + ... + 89853688760.

Almost surely, 2122290869476880 is an apocalyptic number.

122290869476880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122290869476880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226212316922592).

122290869476880 is an abundant number, since it is smaller than the sum of its proper divisors (330133764368304).

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

122290869476880 is a wasteful number, since it uses less digits than its factorization.

122290869476880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 72.

The spelling of 122290869476880 in words is "one hundred twenty-two trillion, two hundred ninety billion, eight hundred sixty-nine million, four hundred seventy-six thousand, eight hundred eighty".