Base | Representation |
---|---|
bin | 1110110101001000… |
… | …11000100000010110 |
3 | 202112212210100120110 |
4 | 13122210120200112 |
5 | 112301224003232 |
6 | 3354015543450 |
7 | 401206233030 |
oct | 73244304026 |
9 | 22485710513 |
10 | 7961937942 |
11 | 3416340902 |
12 | 166252ab86 |
13 | 99b6a76aa |
14 | 5575dac50 |
15 | 318eccacc |
hex | 1da918816 |
7961937942 has 32 divisors (see below), whose sum is σ = 18210749184. Its totient is φ = 2273335200.
The previous prime is 7961937937. The next prime is 7961937961. The reversal of 7961937942 is 2497391697.
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, 2392 + ... + 126212.
It is an arithmetic number, because the mean of its divisors is an integer number (569085912).
Almost surely, 27961937942 is an apocalyptic number.
7961937942 is an abundant number, since it is smaller than the sum of its proper divisors (10248811242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7961937942 is a wasteful number, since it uses less digits than its factorization.
7961937942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125364.
The product of its digits is 5143824, while the sum is 57.
The square root of 7961937942 is about 89229.6920425034. The cubic root of 7961937942 is about 1996.8231182163.
The spelling of 7961937942 in words is "seven billion, nine hundred sixty-one million, nine hundred thirty-seven thousand, nine hundred forty-two".
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