Base | Representation |
---|---|
bin | 1011000100000110110… |
… | …01100100000001011000 |
3 | 1100100021010012012001202 |
4 | 11202003121210001120 |
5 | 22212032334412423 |
6 | 450351023133332 |
7 | 36315521416232 |
oct | 5420331440130 |
9 | 1310233165052 |
10 | 380161638488 |
11 | 137253374805 |
12 | 61817444248 |
13 | 29b065a8ba8 |
14 | 14585555252 |
15 | 9d4ee5a728 |
hex | 5883664058 |
380161638488 has 32 divisors (see below), whose sum is σ = 724551125760. Its totient is φ = 186948545280.
The previous prime is 380161638473. The next prime is 380161638497. The reversal of 380161638488 is 884836161083.
It is a super-2 number, since 2×3801616384882 (a number of 24 digits) contains 22 as substring.
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, 7187756 + ... + 7240452.
It is an arithmetic number, because the mean of its divisors is an integer number (22642222680).
Almost surely, 2380161638488 is an apocalyptic number.
It is an amenable number.
380161638488 is a deficient number, since it is larger than the sum of its proper divisors (344389487272).
380161638488 is a wasteful number, since it uses less digits than its factorization.
380161638488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67547 (or 67543 counting only the distinct ones).
The product of its (nonzero) digits is 5308416, while the sum is 56.
The spelling of 380161638488 in words is "three hundred eighty billion, one hundred sixty-one million, six hundred thirty-eight thousand, four hundred eighty-eight".
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