Base | Representation |
---|---|
bin | 1101000111100100… |
… | …11011111000001110 |
3 | 200011211102010002022 |
4 | 12203302123320032 |
5 | 103410433444034 |
6 | 3122505130142 |
7 | 336346306646 |
oct | 64362337016 |
9 | 20154363068 |
10 | 7042874894 |
11 | 2a94579170 |
12 | 1446789952 |
13 | 8831681c3 |
14 | 4ab51b526 |
15 | 2b3487b2e |
hex | 1a3c9be0e |
7042874894 has 64 divisors (see below), whose sum is σ = 12455424000. Its totient is φ = 2952482400.
The previous prime is 7042874893. The next prime is 7042874929. The reversal of 7042874894 is 4984782407.
It is a super-2 number, since 2×70428748942 = 99204173545071022472, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7042874893) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4144457 + ... + 4146155.
It is an arithmetic number, because the mean of its divisors is an integer number (194616000).
Almost surely, 27042874894 is an apocalyptic number.
7042874894 is a deficient number, since it is larger than the sum of its proper divisors (5412549106).
7042874894 is a wasteful number, since it uses less digits than its factorization.
7042874894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1989.
The product of its (nonzero) digits is 3612672, while the sum is 53.
The square root of 7042874894 is about 83921.8380041810. The cubic root of 7042874894 is about 1916.8287941427.
The spelling of 7042874894 in words is "seven billion, forty-two million, eight hundred seventy-four thousand, eight hundred ninety-four".
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