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168412969205 = 51321398391709
BaseRepresentation
bin1001110011011000110…
…0011111100011110101
3121002200222201021010222
42130312030133203311
510224402210003310
6205211242224125
715111300422135
oct2346614374365
9532628637128
10168412969205
1165472804478
12287811b5045
1312b5c212500
148218d9aac5
1545aa35e055
hex273631f8f5

168412969205 has 48 divisors (see below), whose sum is σ = 220803408000. Its totient is φ = 123252450048.

The previous prime is 168412969201. The next prime is 168412969211. The reversal of 168412969205 is 502969214861.

It is not a de Polignac number, because 168412969205 - 22 = 168412969201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168412969201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98543891 + ... + 98545599.

It is an arithmetic number, because the mean of its divisors is an integer number (4600071000).

Almost surely, 2168412969205 is an apocalyptic number.

It is an amenable number.

168412969205 is a deficient number, since it is larger than the sum of its proper divisors (52390438795).

168412969205 is a wasteful number, since it uses less digits than its factorization.

168412969205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 168412969205 in words is "one hundred sixty-eight billion, four hundred twelve million, nine hundred sixty-nine thousand, two hundred five".

Divisors: 1 5 13 65 139 169 695 839 845 1709 1807 4195 8545 9035 10907 22217 23491 54535 111085 116621 117455 141791 237551 288821 583105 708955 1187755 1433851 1444105 1516073 3088163 7169255 7580365 15440815 18640063 19708949 40146119 93200315 98544745 199305289 200730595 242320819 996526445 1211604095 2590968757 12954843785 33682593841 168412969205