Base | Representation |
---|---|
bin | 10100011111001100101100… |
… | …101100110111001000100110 |
3 | 102211000221102020100100122000 |
4 | 110133030230230313020212 |
5 | 43302234232412013304 |
6 | 515345334425150130 |
7 | 24656601435212610 |
oct | 2437145454671046 |
9 | 384027366310560 |
10 | 90104868860454 |
11 | 2678a295496178 |
12 | a132b1632b346 |
13 | 3b37b11431696 |
14 | 1837155629db0 |
15 | a63c7b266939 |
hex | 51f32cb37226 |
90104868860454 has 64 divisors (see below), whose sum is σ = 232253251238400. Its totient is φ = 25360005727584.
The previous prime is 90104868860417. The next prime is 90104868860507. The reversal of 90104868860454 is 45406886840109.
90104868860454 is a `hidden beast` number, since 9 + 0 + 1 + 0 + 48 + 6 + 88 + 60 + 454 = 666.
It is a super-2 number, since 2×901048688604542 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 90104868860391 and 90104868860400.
It is a congruent number.
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, 1778875189 + ... + 1778925840.
It is an arithmetic number, because the mean of its divisors is an integer number (3628957050600).
Almost surely, 290104868860454 is an apocalyptic number.
90104868860454 is an abundant number, since it is smaller than the sum of its proper divisors (142148382377946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90104868860454 is a wasteful number, since it uses less digits than its factorization.
90104868860454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3557801114 (or 3557801108 counting only the distinct ones).
The product of its (nonzero) digits is 53084160, while the sum is 63.
The spelling of 90104868860454 in words is "ninety trillion, one hundred four billion, eight hundred sixty-eight million, eight hundred sixty thousand, four hundred fifty-four".
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