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26706385146 = 2371913539431
BaseRepresentation
bin11000110111110100…
…110001100011111010
32112221012202221011210
4120313310301203322
5414143313311041
620134014303550
71633544346120
oct306764614372
975835687153
1026706385146
1110365070491
125213ab7bb6
132697c0a17c
141414c51910
15a648d8016
hex637d318fa

26706385146 has 64 divisors (see below), whose sum is σ = 61543120896. Its totient is φ = 7568140800.

The previous prime is 26706385129. The next prime is 26706385151. The reversal of 26706385146 is 64158360762.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26706385095 and 26706385104.

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, 2827051 + ... + 2836481.

It is an arithmetic number, because the mean of its divisors is an integer number (961611264).

Almost surely, 226706385146 is an apocalyptic number.

26706385146 is an abundant number, since it is smaller than the sum of its proper divisors (34836735750).

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

26706385146 is a wasteful number, since it uses less digits than its factorization.

26706385146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 26706385146 in words is "twenty-six billion, seven hundred six million, three hundred eighty-five thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 191 353 382 573 706 1059 1146 1337 2118 2471 2674 4011 4942 7413 8022 9431 14826 18862 28293 56586 66017 67423 132034 134846 198051 202269 396102 404538 471961 943922 1415883 1801321 2831766 3329143 3602642 5403963 6658286 9987429 10807926 12609247 19974858 23304001 25218494 37827741 46608002 69912003 75655482 139824006 635866313 1271732626 1907598939 3815197878 4451064191 8902128382 13353192573 26706385146