Base | Representation |
---|---|
bin | 101001111011010110… |
… | …1110101000110100010 |
3 | 22121101221102111200212 |
4 | 1103312231311012202 |
5 | 2433344332230132 |
6 | 105210234414122 |
7 | 6335145042632 |
oct | 1236655650642 |
9 | 277357374625 |
10 | 90038555042 |
11 | 35204465067 |
12 | 15549891342 |
13 | 864bb01207 |
14 | 45020966c2 |
15 | 251e9455b2 |
hex | 14f6b751a2 |
90038555042 has 32 divisors (see below), whose sum is σ = 144109108800. Its totient is φ = 42070104000.
The previous prime is 90038555041. The next prime is 90038555053. The reversal of 90038555042 is 24055583009.
It is not an unprimeable number, because it can be changed into a prime (90038555041) 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, 988817 + ... + 1076027.
It is an arithmetic number, because the mean of its divisors is an integer number (4503409650).
Almost surely, 290038555042 is an apocalyptic number.
90038555042 is a deficient number, since it is larger than the sum of its proper divisors (54070553758).
90038555042 is a wasteful number, since it uses less digits than its factorization.
90038555042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87602.
The product of its (nonzero) digits is 216000, while the sum is 41.
The spelling of 90038555042 in words is "ninety billion, thirty-eight million, five hundred fifty-five thousand, forty-two".
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