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162904089601 = 11421276712713
BaseRepresentation
bin1001011110110111010…
…1110010010000000001
3120120111001210012000001
42113231311302100001
510132111421331401
6202500452000001
714524625625511
oct2275565622001
9516431705001
10162904089601
11630a6125710
12276a4300001
1312491b0cc36
147c554b1841
1543868d8601
hex25edd72401

162904089601 has 16 divisors (see below), whose sum is σ = 178214070528. Its totient is φ = 147677846400.

The previous prime is 162904089521. The next prime is 162904089611. The reversal of 162904089601 is 106980409261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 162904089601 - 235 = 128544351233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162904089611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12807621 + ... + 12820333.

It is an arithmetic number, because the mean of its divisors is an integer number (11138379408).

Almost surely, 2162904089601 is an apocalyptic number.

162904089601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162904089601 is a deficient number, since it is larger than the sum of its proper divisors (15309980927).

162904089601 is a wasteful number, since it uses less digits than its factorization.

162904089601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15912.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 162904089601 in words is "one hundred sixty-two billion, nine hundred four million, eighty-nine thousand, six hundred one".

Divisors: 1 11 421 2767 4631 12713 30437 139843 1164907 5352173 12813977 35176871 58873903 386945581 14809462691 162904089601