Base | Representation |
---|---|
bin | 101010010101000010… |
… | …1000110110101011000 |
3 | 22200121222221102200121 |
4 | 1110222011012311120 |
5 | 2442130433420000 |
6 | 105431540443024 |
7 | 6365410521214 |
oct | 1245205066530 |
9 | 280558842617 |
10 | 90900295000 |
11 | 35606935049 |
12 | 1574a3a9474 |
13 | 87584c0008 |
14 | 45846d3944 |
15 | 2570415b1a |
hex | 152a146d58 |
90900295000 has 40 divisors (see below), whose sum is σ = 212979402900. Its totient is φ = 36360116000.
The previous prime is 90900294967. The next prime is 90900295051. The reversal of 90900295000 is 59200909.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9085030 + ... + 9095029.
Almost surely, 290900295000 is an apocalyptic number.
It is an amenable number.
90900295000 is an abundant number, since it is smaller than the sum of its proper divisors (122079107900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90900295000 is a wasteful number, since it uses less digits than its factorization.
90900295000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18180085 (or 18180066 counting only the distinct ones).
The product of its (nonzero) digits is 7290, while the sum is 34.
Adding to 90900295000 its reverse (59200909), we get a palindrome (90959495909).
The spelling of 90900295000 in words is "ninety billion, nine hundred million, two hundred ninety-five thousand".
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