Base | Representation |
---|---|
bin | 10011000110100010… |
… | …000000000100010010 |
3 | 1221221102110001100000 |
4 | 103012202000010102 |
5 | 314001212433442 |
6 | 13231130510430 |
7 | 1324162553664 |
oct | 230642000422 |
9 | 57842401300 |
10 | 20510671122 |
11 | 8775814877 |
12 | 3b84b95416 |
13 | 1c1b427bb6 |
14 | dc8058534 |
15 | 8009e0d4c |
hex | 4c6880112 |
20510671122 has 48 divisors (see below), whose sum is σ = 48796648992. Its totient is φ = 6434717760.
The previous prime is 20510671117. The next prime is 20510671127. The reversal of 20510671122 is 22117601502.
20510671122 is a `hidden beast` number, since 20 + 510 + 6 + 7 + 1 + 122 = 666.
It is an interprime number because it is at equal distance from previous prime (20510671117) and next prime (20510671127).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20510671127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1233004 + ... + 1249527.
It is an arithmetic number, because the mean of its divisors is an integer number (1016596854).
Almost surely, 220510671122 is an apocalyptic number.
20510671122 is an abundant number, since it is smaller than the sum of its proper divisors (28285977870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20510671122 is a wasteful number, since it uses less digits than its factorization.
20510671122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482565 (or 2482553 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The spelling of 20510671122 in words is "twenty billion, five hundred ten million, six hundred seventy-one thousand, one hundred twenty-two".
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