Base | Representation |
---|---|
bin | 1011010001000100010… |
… | …01000111011111100010 |
3 | 1101000020001100001221221 |
4 | 11220202021013133202 |
5 | 22320310141400340 |
6 | 453501310205254 |
7 | 36653122422226 |
oct | 5504211073742 |
9 | 1330201301857 |
10 | 387119871970 |
11 | 13a1a4091597 |
12 | 630397b382a |
13 | 2a67504a200 |
14 | 14a4571c786 |
15 | a10ac7444a |
hex | 5a222477e2 |
387119871970 has 24 divisors (see below), whose sum is σ = 754540156116. Its totient is φ = 142936567488.
The previous prime is 387119871967. The next prime is 387119872001. The reversal of 387119871970 is 79178911783.
It can be written as a sum of positive squares in 6 ways, for example, as 276922881 + 386842949089 = 16641^2 + 621967^2 .
It is a junction number, because it is equal to n+sod(n) for n = 387119871899 and 387119871908.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114530817 + ... + 114534196.
Almost surely, 2387119871970 is an apocalyptic number.
387119871970 is a deficient number, since it is larger than the sum of its proper divisors (367420284146).
387119871970 is a wasteful number, since it uses less digits than its factorization.
387119871970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229065046 (or 229065033 counting only the distinct ones).
The product of its (nonzero) digits is 5334336, while the sum is 61.
The spelling of 387119871970 in words is "three hundred eighty-seven billion, one hundred nineteen million, eight hundred seventy-one thousand, nine hundred seventy".
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