Base | Representation |
---|---|
bin | 11101011101001011110… |
… | …10111010111100101000 |
3 | 10120202102001120222011021 |
4 | 32232211322322330220 |
5 | 113040240324013000 |
6 | 2052541444542224 |
7 | 133056543364225 |
oct | 16564572727450 |
9 | 3522361528137 |
10 | 1012101001000 |
11 | 3602586a2071 |
12 | 14419a6b1974 |
13 | 7459633466b |
14 | 36db363694c |
15 | 1b4d8cd811a |
hex | eba5ebaf28 |
1012101001000 has 64 divisors (see below), whose sum is σ = 2507629110480. Its totient is φ = 381026252800.
The previous prime is 1012101000973. The next prime is 1012101001007. The reversal of 1012101001000 is 1001012101.
It can be written as a sum of positive squares in 8 ways, for example, as 293176765764 + 718924235236 = 541458^2 + 847894^2 .
It is not an unprimeable number, because it can be changed into a prime (1012101001007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29750677 + ... + 29784676.
Almost surely, 21012101001000 is an apocalyptic number.
1012101001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1012101001000 is an abundant number, since it is smaller than the sum of its proper divisors (1495528109480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1012101001000 is a wasteful number, since it uses less digits than its factorization.
1012101001000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59535391 (or 59535377 counting only the distinct ones).
The product of its (nonzero) digits is 2, while the sum is 7.
Adding to 1012101001000 its reverse (1001012101), we get a palindrome (1013102013101).
The spelling of 1012101001000 in words is "one trillion, twelve billion, one hundred one million, one thousand".
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