Base | Representation |
---|---|
bin | 1000111111111011111110… |
… | …00111101000010100100110 |
3 | 2121001210222201020202200010 |
4 | 10133331333013220110212 |
5 | 10043210432020224040 |
6 | 110030543540031050 |
7 | 4111466014315515 |
oct | 437757707502446 |
9 | 77053881222603 |
10 | 19789047039270 |
11 | 633a540177383 |
12 | 22772bb992486 |
13 | b07139a29b12 |
14 | 4c5b1b63267c |
15 | 244b5a064e80 |
hex | 11ff7f1e8526 |
19789047039270 has 32 divisors (see below), whose sum is σ = 47648415564288. Its totient is φ = 5259890024928.
The previous prime is 19789047039263. The next prime is 19789047039329. The reversal of 19789047039270 is 7293074098791.
It is a congruent number.
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, 1074314734 + ... + 1074333153.
It is an arithmetic number, because the mean of its divisors is an integer number (1489012986384).
Almost surely, 219789047039270 is an apocalyptic number.
19789047039270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19789047039270 is an abundant number, since it is smaller than the sum of its proper divisors (27859368525018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19789047039270 is a wasteful number, since it uses less digits than its factorization.
19789047039270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2148648204.
The product of its (nonzero) digits is 48009024, while the sum is 66.
The spelling of 19789047039270 in words is "nineteen trillion, seven hundred eighty-nine billion, forty-seven million, thirty-nine thousand, two hundred seventy".
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