Base | Representation |
---|---|
bin | 1011000110001101… |
… | …1110110011001110 |
3 | 21200121021012021101 |
4 | 2301203132303032 |
5 | 22100042242210 |
6 | 1211331253314 |
7 | 133550651416 |
oct | 26143366316 |
9 | 7617235241 |
10 | 2978868430 |
11 | 1299547a3a |
12 | 6b174a23a |
13 | 3861c6055 |
14 | 2038a5646 |
15 | 1267bca3a |
hex | b18decce |
2978868430 has 48 divisors (see below), whose sum is σ = 5667732864. Its totient is φ = 1126077120.
The previous prime is 2978868427. The next prime is 2978868457. The reversal of 2978868430 is 348688792.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570592 + ... + 575788.
It is an arithmetic number, because the mean of its divisors is an integer number (118077768).
Almost surely, 22978868430 is an apocalyptic number.
2978868430 is a deficient number, since it is larger than the sum of its proper divisors (2688864434).
2978868430 is a wasteful number, since it uses less digits than its factorization.
2978868430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5321 (or 5278 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 55.
The square root of 2978868430 is about 54579.0108924667. The cubic root of 2978868430 is about 1438.8552550146.
The spelling of 2978868430 in words is "two billion, nine hundred seventy-eight million, eight hundred sixty-eight thousand, four hundred thirty".
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