Base | Representation |
---|---|
bin | 100010011101010111… |
… | …1101000000000110001 |
3 | 21002000012001212020001 |
4 | 1010322233220000301 |
5 | 2203023000212332 |
6 | 53554540550001 |
7 | 5226534453163 |
oct | 1047257500061 |
9 | 232005055201 |
10 | 74000007217 |
11 | 29424090764 |
12 | 12412552301 |
13 | 6c9406c426 |
14 | 381dd6c933 |
15 | 1dd18880e7 |
hex | 113abe8031 |
74000007217 has 32 divisors (see below), whose sum is σ = 82206351360. Its totient is φ = 66300456960.
The previous prime is 74000007197. The next prime is 74000007227. The reversal of 74000007217 is 71270000047.
It is a de Polignac number, because none of the positive numbers 2k-74000007217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74000007227) 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, 15732288 + ... + 15736990.
It is an arithmetic number, because the mean of its divisors is an integer number (2568948480).
Almost surely, 274000007217 is an apocalyptic number.
It is an amenable number.
74000007217 is a deficient number, since it is larger than the sum of its proper divisors (8206344143).
74000007217 is a wasteful number, since it uses less digits than its factorization.
74000007217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5233.
The product of its (nonzero) digits is 2744, while the sum is 28.
The spelling of 74000007217 in words is "seventy-four billion, seven thousand, two hundred seventeen".
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