Search a number
-
+
121030672458 = 2393972146619
BaseRepresentation
bin111000010110111111…
…1011000000001001010
3102120101211120012022110
41300231333120001022
53440332323004313
6131333431203150
711513152512243
oct1605577300112
9376354505273
10121030672458
1147368728643
121b558b164b6
13b54a8a3627
145c02199cca
1532356e4ec3
hex1c2dfd804a

121030672458 has 16 divisors (see below), whose sum is σ = 242087217120. Its totient is φ = 40339245456.

The previous prime is 121030672447. The next prime is 121030672487. The reversal of 121030672458 is 854276030121.

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, 1016928 + ... + 1129691.

It is an arithmetic number, because the mean of its divisors is an integer number (15130451070).

Almost surely, 2121030672458 is an apocalyptic number.

121030672458 is an abundant number, since it is smaller than the sum of its proper divisors (121056544662).

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

121030672458 is a wasteful number, since it uses less digits than its factorization.

121030672458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156021.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 121030672458 in words is "one hundred twenty-one billion, thirty million, six hundred seventy-two thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 9397 18794 28191 56382 2146619 4293238 6439857 12879714 20171778743 40343557486 60515336229 121030672458