Base | Representation |
---|---|
bin | 1011000110000100010… |
… | …01111110000100110011 |
3 | 1100102222111100212210220 |
4 | 11203002021332010303 |
5 | 22221211403444012 |
6 | 451043314024123 |
7 | 36353564626440 |
oct | 5430211760463 |
9 | 1312874325726 |
10 | 381214515507 |
11 | 137743723901 |
12 | 61a6bb78043 |
13 | 29c4376ab47 |
14 | 146453089c7 |
15 | 9db25d408c |
hex | 58c227e133 |
381214515507 has 64 divisors (see below), whose sum is σ = 610948039680. Its totient is φ = 206928691200.
The previous prime is 381214515497. The next prime is 381214515569. The reversal of 381214515507 is 705515412183.
It is not a de Polignac number, because 381214515507 - 27 = 381214515379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (381214515707) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4863507 + ... + 4941267.
It is an arithmetic number, because the mean of its divisors is an integer number (9546063120).
Almost surely, 2381214515507 is an apocalyptic number.
381214515507 is a deficient number, since it is larger than the sum of its proper divisors (229733524173).
381214515507 is a wasteful number, since it uses less digits than its factorization.
381214515507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77964.
The product of its (nonzero) digits is 168000, while the sum is 42.
The spelling of 381214515507 in words is "three hundred eighty-one billion, two hundred fourteen million, five hundred fifteen thousand, five hundred seven".
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