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2068604888428 = 221326167774099
BaseRepresentation
bin11110000110100010011…
…101011010010101101100
321022202102122001021112201
4132012202131122111230
5232343000322412203
64222145353511244
7302310646302031
oct36064235322554
97282378037481
102068604888428
11728321592991
12294aab712524
131200b7952300
147219a0a7388
1538c20db1e1d
hex1e1a275a56c

2068604888428 has 72 divisors (see below), whose sum is σ = 3990145395600. Its totient is φ = 937689442560.

The previous prime is 2068604888417. The next prime is 2068604888477. The reversal of 2068604888428 is 8248884068602.

It is a super-2 number, since 2×20686048884282 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2068604888428.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27879723 + ... + 27953821.

It is an arithmetic number, because the mean of its divisors is an integer number (55418686050).

Almost surely, 22068604888428 is an apocalyptic number.

It is an amenable number.

2068604888428 is a deficient number, since it is larger than the sum of its proper divisors (1921540507172).

2068604888428 is a wasteful number, since it uses less digits than its factorization.

2068604888428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74867 (or 74852 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 64.

The spelling of 2068604888428 in words is "two trillion, sixty-eight billion, six hundred four million, eight hundred eighty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 61 122 169 244 338 676 677 793 1354 1586 2708 3172 8801 10309 17602 20618 35204 41236 41297 74099 82594 114413 148198 165188 228826 296396 457652 536861 963287 1073722 1926574 2147444 3853148 4520039 6979193 9040078 12522731 13958386 18080156 25045462 27916772 50090924 50165023 58760507 100330046 117521014 200660092 235042028 652145299 763886591 1304290598 1527773182 2608581196 3055546364 3060066403 6120132806 8477888887 12240265612 16955777774 33911555548 39780863239 79561726478 159123452956 517151222107 1034302444214 2068604888428