Search a number
-
+
102102121022 = 2112509828899
BaseRepresentation
bin101111100010111000…
…0101011101000111110
3100202112200011011011212
41133011300223220332
53133101120333042
6114523254444422
710243120465136
oct1370560535076
9322480134155
10102102121022
113a334a92800
1217955963712
139822190b35
144d282ddac6
1529c8a70482
hex17c5c2ba3e

102102121022 has 24 divisors (see below), whose sum is σ = 168672861000. Its totient is φ = 46318820240.

The previous prime is 102102121013. The next prime is 102102121039. The reversal of 102102121022 is 220121201201.

It is a super-2 number, since 2×1021021210222 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102102120988 and 102102121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291272 + ... + 537627.

It is an arithmetic number, because the mean of its divisors is an integer number (7028035875).

Almost surely, 2102102121022 is an apocalyptic number.

102102121022 is a deficient number, since it is larger than the sum of its proper divisors (66570739978).

102102121022 is a wasteful number, since it uses less digits than its factorization.

102102121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829432 (or 829421 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102102121022 its reverse (220121201201), we get a palindrome (322223322223).

The spelling of 102102121022 in words is "one hundred two billion, one hundred two million, one hundred twenty-one thousand, twenty-two".

Divisors: 1 2 11 22 121 242 509 1018 5599 11198 61589 123178 828899 1657798 9117889 18235778 100296779 200593558 421909591 843819182 4641005501 9282011002 51051060511 102102121022