Base | Representation |
---|---|
bin | 1101010011000101… |
… | …00010001111110010 |
3 | 200102112222120110000 |
4 | 12221202202033302 |
5 | 104110134314340 |
6 | 3140233250430 |
7 | 341630433465 |
oct | 65142421762 |
9 | 20375876400 |
10 | 7139369970 |
11 | 3033a96367 |
12 | 1472b63a16 |
13 | 89a152595 |
14 | 4ba2792dc |
15 | 2bbb98d30 |
hex | 1a98a23f2 |
7139369970 has 80 divisors (see below), whose sum is σ = 20031675840. Its totient is φ = 1821051936.
The previous prime is 7139369953. The next prime is 7139369977. The reversal of 7139369970 is 799639317.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7139369977) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 172980 + ... + 210239.
It is an arithmetic number, because the mean of its divisors is an integer number (250395948).
Almost surely, 27139369970 is an apocalyptic number.
7139369970 is an abundant number, since it is smaller than the sum of its proper divisors (12892305870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7139369970 is a wasteful number, since it uses less digits than its factorization.
7139369970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383261 (or 383252 counting only the distinct ones).
The product of its (nonzero) digits is 1928934, while the sum is 54.
The square root of 7139369970 is about 84494.7925614354. The cubic root of 7139369970 is about 1925.5433307482.
The spelling of 7139369970 in words is "seven billion, one hundred thirty-nine million, three hundred sixty-nine thousand, nine hundred seventy".
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