Base | Representation |
---|---|
bin | 100010110001010010… |
… | …0000011011110011100 |
3 | 21010201202010120221202 |
4 | 1011202210003132130 |
5 | 2210410011000440 |
6 | 54145123415032 |
7 | 5252226026444 |
oct | 1054244033634 |
9 | 233652116852 |
10 | 74668062620 |
11 | 297371a1668 |
12 | 1257a224478 |
13 | 706c5a5698 |
14 | 388498d124 |
15 | 1e2034a615 |
hex | 116290379c |
74668062620 has 24 divisors (see below), whose sum is σ = 162209930400. Its totient is φ = 28837320512.
The previous prime is 74668062593. The next prime is 74668062647. The reversal of 74668062620 is 2626086647.
It is an interprime number because it is at equal distance from previous prime (74668062593) and next prime (74668062647).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64368440 + ... + 64369599.
It is an arithmetic number, because the mean of its divisors is an integer number (6758747100).
Almost surely, 274668062620 is an apocalyptic number.
It is an amenable number.
74668062620 is an abundant number, since it is smaller than the sum of its proper divisors (87541867780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74668062620 is a wasteful number, since it uses less digits than its factorization.
74668062620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128738077 (or 128738075 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 47.
The spelling of 74668062620 in words is "seventy-four billion, six hundred sixty-eight million, sixty-two thousand, six hundred twenty".
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