Base | Representation |
---|---|
bin | 11101101011111001101… |
… | …10110110010010110100 |
3 | 10121111210200201102002122 |
4 | 32311330312312102310 |
5 | 113202431003031400 |
6 | 2100325450455112 |
7 | 133456412651654 |
oct | 16657466662264 |
9 | 3544720642078 |
10 | 1020002002100 |
11 | 3636425a2144 |
12 | 145824734498 |
13 | 752551c4843 |
14 | 37522ad0364 |
15 | 1b7ec77a685 |
hex | ed7cdb64b4 |
1020002002100 has 72 divisors (see below), whose sum is σ = 2346661783200. Its totient is φ = 383746204800.
The previous prime is 1020002002091. The next prime is 1020002002111. The reversal of 1020002002100 is 12002000201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666991 + ... + 2195190.
Almost surely, 21020002002100 is an apocalyptic number.
1020002002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1020002002100 is an abundant number, since it is smaller than the sum of its proper divisors (1326659781100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020002002100 is a wasteful number, since it uses less digits than its factorization.
1020002002100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3862353 (or 3862346 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
Adding to 1020002002100 its reverse (12002000201), we get a palindrome (1032004002301).
The spelling of 1020002002100 in words is "one trillion, twenty billion, two million, two thousand, one hundred".
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