Base | Representation |
---|---|
bin | 1001010011010011110001… |
… | …11011101000010101111010 |
3 | 2200102110001122102011212212 |
4 | 10221221320323220111322 |
5 | 10140112122232124320 |
6 | 111300424215335122 |
7 | 4210541423102555 |
oct | 451517073502572 |
9 | 80373048364785 |
10 | 20454663161210 |
11 | 6576857114523 |
12 | 23643013814a2 |
13 | b54b357c4b85 |
14 | 50a0221ad69c |
15 | 2571156e19c5 |
hex | 129a78ee857a |
20454663161210 has 32 divisors (see below), whose sum is σ = 38006422152192. Its totient is φ = 7917863639040.
The previous prime is 20454663161203. The next prime is 20454663161227. The reversal of 20454663161210 is 1216136645402.
It is a super-2 number, since 2×204546631612102 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46685882 + ... + 47121978.
It is an arithmetic number, because the mean of its divisors is an integer number (1187700692256).
Almost surely, 220454663161210 is an apocalyptic number.
20454663161210 is a deficient number, since it is larger than the sum of its proper divisors (17551758990982).
20454663161210 is a wasteful number, since it uses less digits than its factorization.
20454663161210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 587438.
The product of its (nonzero) digits is 207360, while the sum is 41.
The spelling of 20454663161210 in words is "twenty trillion, four hundred fifty-four billion, six hundred sixty-three million, one hundred sixty-one thousand, two hundred ten".
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