Base | Representation |
---|---|
bin | 10010100010101011101… |
… | …000101101010000100100 |
3 | 11111210220111002020211221 |
4 | 102202223220231100210 |
5 | 131334020103112232 |
6 | 2413204343310124 |
7 | 161025420255061 |
oct | 22425350552044 |
9 | 4453814066757 |
10 | 1274189894692 |
11 | 451420a83050 |
12 | 186b4374b344 |
13 | 93203ab0590 |
14 | 459577a5c68 |
15 | 23228081897 |
hex | 128aba2d424 |
1274189894692 has 48 divisors (see below), whose sum is σ = 2627437018752. Its totient is φ = 533038625280.
The previous prime is 1274189894657. The next prime is 1274189894693. The reversal of 1274189894692 is 2964989814721.
It is not an unprimeable number, because it can be changed into a prime (1274189894693) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112288 + ... + 3497815.
It is an arithmetic number, because the mean of its divisors is an integer number (54738271224).
Almost surely, 21274189894692 is an apocalyptic number.
It is an amenable number.
1274189894692 is an abundant number, since it is smaller than the sum of its proper divisors (1353247124060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1274189894692 is a wasteful number, since it uses less digits than its factorization.
1274189894692 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6610468 (or 6610466 counting only the distinct ones).
The product of its digits is 125411328, while the sum is 70.
The spelling of 1274189894692 in words is "one trillion, two hundred seventy-four billion, one hundred eighty-nine million, eight hundred ninety-four thousand, six hundred ninety-two".
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