Base | Representation |
---|---|
bin | 10010110000000100… |
… | …101001111101111011 |
3 | 1220222011110001122020 |
4 | 102300010221331323 |
5 | 312213233122200 |
6 | 13125510525523 |
7 | 1311636103440 |
oct | 226004517573 |
9 | 56864401566 |
10 | 20133879675 |
11 | 85a2060888 |
12 | 3a9a9668a3 |
13 | 1b8b351290 |
14 | d8ddb59c7 |
15 | 7cc8b3ea0 |
hex | 4b0129f7b |
20133879675 has 48 divisors (see below), whose sum is σ = 40969877760. Its totient is φ = 8496051840.
The previous prime is 20133879607. The next prime is 20133879749. The reversal of 20133879675 is 57697833102.
It is not a de Polignac number, because 20133879675 - 28 = 20133879419 is a prime.
It is a super-2 number, since 2×201338796752 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1468185 + ... + 1481834.
It is an arithmetic number, because the mean of its divisors is an integer number (853539120).
Almost surely, 220133879675 is an apocalyptic number.
20133879675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20133879675 is an abundant number, since it is smaller than the sum of its proper divisors (20835998085).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20133879675 is a wasteful number, since it uses less digits than its factorization.
20133879675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2950052 (or 2950047 counting only the distinct ones).
The product of its (nonzero) digits is 1905120, while the sum is 51.
The spelling of 20133879675 in words is "twenty billion, one hundred thirty-three million, eight hundred seventy-nine thousand, six hundred seventy-five".
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