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68146122 = 231119311753
BaseRepresentation
bin1000000111111…
…01001111001010
311202020011220110
410003331033022
5114421133442
610432335150
71455142512
oct403751712
9152204813
1068146122
1135515210
121a9a44b6
131116ca65
14909c842
155eb169c
hex40fd3ca

68146122 has 64 divisors (see below), whose sum is σ = 161648640. Its totient is φ = 18921600.

The previous prime is 68146093. The next prime is 68146147. The reversal of 68146122 is 22164186.

It is a self number, because there is not a number n which added to its sum of digits gives 68146122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37998 + ... + 39750.

It is an arithmetic number, because the mean of its divisors is an integer number (2525760).

Almost surely, 268146122 is an apocalyptic number.

68146122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68146122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80824320).

68146122 is an abundant number, since it is smaller than the sum of its proper divisors (93502518).

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

68146122 is a wasteful number, since it uses less digits than its factorization.

68146122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its digits is 4608, while the sum is 30.

The square root of 68146122 is about 8255.0664443116. The cubic root of 68146122 is about 408.4576635790.

The spelling of 68146122 in words is "sixty-eight million, one hundred forty-six thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 19 22 31 33 38 57 62 66 93 114 186 209 341 418 589 627 682 1023 1178 1254 1753 1767 2046 3506 3534 5259 6479 10518 12958 19283 19437 33307 38566 38874 54343 57849 66614 99921 108686 115698 163029 199842 326058 366377 597773 732754 1032517 1099131 1195546 1793319 2065034 2198262 3097551 3586638 6195102 11357687 22715374 34073061 68146122