Base | Representation |
---|---|
bin | 101010010101011101… |
… | …0010000101000100010 |
3 | 22200122222011100020011 |
4 | 1110222322100220202 |
5 | 2442143020310040 |
6 | 105433155235134 |
7 | 6365640123361 |
oct | 1245272205042 |
9 | 280588140204 |
10 | 90914228770 |
11 | 35613791762 |
12 | 15752ba8aaa |
13 | 875b35b251 |
14 | 45864bd7d8 |
15 | 25717693ea |
hex | 152ae90a22 |
90914228770 has 32 divisors (see below), whose sum is σ = 177301415808. Its totient is φ = 33430564608.
The previous prime is 90914228749. The next prime is 90914228777. The reversal of 90914228770 is 7782241909.
It is not an unprimeable number, because it can be changed into a prime (90914228777) 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, 6211174 + ... + 6225793.
It is an arithmetic number, because the mean of its divisors is an integer number (5540669244).
Almost surely, 290914228770 is an apocalyptic number.
90914228770 is a deficient number, since it is larger than the sum of its proper divisors (86387187038).
90914228770 is a wasteful number, since it uses less digits than its factorization.
90914228770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12437034.
The product of its (nonzero) digits is 508032, while the sum is 49.
The spelling of 90914228770 in words is "ninety billion, nine hundred fourteen million, two hundred twenty-eight thousand, seven hundred seventy".
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