Base | Representation |
---|---|
bin | 101111100010110110… |
… | …0011010000000001010 |
3 | 100202112121001012201000 |
4 | 1133011230122000022 |
5 | 3133100324001302 |
6 | 114523214435430 |
7 | 10243105116345 |
oct | 1370554320012 |
9 | 322477035630 |
10 | 102101000202 |
11 | 3a334397703 |
12 | 17955502b76 |
13 | 9821b8a926 |
14 | 4d280cb45c |
15 | 29c88ed31c |
hex | 17c5b1a00a |
102101000202 has 32 divisors (see below), whose sum is σ = 226904895360. Its totient is φ = 34031599200.
The previous prime is 102101000129. The next prime is 102101000219. The reversal of 102101000202 is 202000101201.
It is a super-2 number, since 2×1021010002022 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
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, 1027827 + ... + 1122777.
It is an arithmetic number, because the mean of its divisors is an integer number (7090777980).
Almost surely, 2102101000202 is an apocalyptic number.
102101000202 is an abundant number, since it is smaller than the sum of its proper divisors (124803895158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102101000202 is a wasteful number, since it uses less digits than its factorization.
102101000202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114875 (or 114869 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 102101000202 its reverse (202000101201), we get a palindrome (304101101403).
The spelling of 102101000202 in words is "one hundred two billion, one hundred one million, two hundred two", and thus it is an aban number.
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