Base | Representation |
---|---|
bin | 111011011001100… |
… | …1000010010000011 |
3 | 12010220101201110000 |
4 | 1312303020102003 |
5 | 13040214133010 |
6 | 525435211043 |
7 | 100251124122 |
oct | 16663102203 |
9 | 5126351400 |
10 | 1993114755 |
11 | 933074685 |
12 | 4775a6a83 |
13 | 259c06458 |
14 | 14c9c5ab9 |
15 | b9ea27c0 |
hex | 76cc8483 |
1993114755 has 80 divisors (see below), whose sum is σ = 3787106400. Its totient is φ = 1001064960.
The previous prime is 1993114733. The next prime is 1993114789. The reversal of 1993114755 is 5574113991.
It is not a de Polignac number, because 1993114755 - 26 = 1993114691 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 1993114755.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 479476 + ... + 483614.
It is an arithmetic number, because the mean of its divisors is an integer number (47338830).
Almost surely, 21993114755 is an apocalyptic number.
1993114755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1993114755 is a deficient number, since it is larger than the sum of its proper divisors (1793991645).
1993114755 is a wasteful number, since it uses less digits than its factorization.
1993114755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4226 (or 4217 counting only the distinct ones).
The product of its digits is 170100, while the sum is 45.
The square root of 1993114755 is about 44644.3138036637. The cubic root of 1993114755 is about 1258.4735767359.
The spelling of 1993114755 in words is "one billion, nine hundred ninety-three million, one hundred fourteen thousand, seven hundred fifty-five".
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