Search a number
-
+
90615487414697 = 7231720732709311
BaseRepresentation
bin10100100110101000001111…
…111100000100000110101001
3102212211202102010020111220022
4110212220033330010012221
543334121004234232242
6520420102533010225
725041516152261330
oct2446501774040651
9385752363214808
1090615487414697
11269668a3339633
12a1b5a7b483975
133b7400846083b
141853b54bc8d17
15a721b41dd0d2
hex526a0ff041a9

90615487414697 has 16 divisors (see below), whose sum is σ = 108069473452032. Its totient is φ = 74289123197520.

The previous prime is 90615487414679. The next prime is 90615487414709. The reversal of 90615487414697 is 79641478451609.

It is not a de Polignac number, because 90615487414697 - 222 = 90615483220393 is a prime.

It is a super-2 number, since 2×906154874146972 (a number of 29 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 90615487414697.

It is not an unprimeable number, because it can be changed into a prime (90615487414637) 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, 13584329 + ... + 19124982.

It is an arithmetic number, because the mean of its divisors is an integer number (6754342090752).

Almost surely, 290615487414697 is an apocalyptic number.

It is an amenable number.

90615487414697 is a deficient number, since it is larger than the sum of its proper divisors (17453986037335).

90615487414697 is a wasteful number, since it uses less digits than its factorization.

90615487414697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32726548.

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 90615487414697 in words is "ninety trillion, six hundred fifteen billion, four hundred eighty-seven million, four hundred fourteen thousand, six hundred ninety-seven".

Divisors: 1 7 23 161 17207 120449 395761 2770327 32709311 228965177 752314153 5266199071 562829114377 3939803800639 12945069630671 90615487414697