Base | Representation |
---|---|
bin | 1011000100111101001… |
… | …11110000110000001001 |
3 | 1100101102221120022021120 |
4 | 11202132213300300021 |
5 | 22214001244023411 |
6 | 450504220025453 |
7 | 36333035361423 |
oct | 5423647606011 |
9 | 1311387508246 |
10 | 380618345481 |
11 | 137468151500 |
12 | 61924392289 |
13 | 29b7a0b360a |
14 | 145ca07b813 |
15 | 9d7a0c1106 |
hex | 589e9f0c09 |
380618345481 has 24 divisors (see below), whose sum is σ = 587179827360. Its totient is φ = 218536845120.
The previous prime is 380618345453. The next prime is 380618345551. The reversal of 380618345481 is 184543816083.
It is not a de Polignac number, because 380618345481 - 25 = 380618345449 is a prime.
It is a super-2 number, since 2×3806183454812 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (380618345281) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27586140 + ... + 27599933.
It is an arithmetic number, because the mean of its divisors is an integer number (24465826140).
Almost surely, 2380618345481 is an apocalyptic number.
It is an amenable number.
380618345481 is a deficient number, since it is larger than the sum of its proper divisors (206561481879).
380618345481 is a wasteful number, since it uses less digits than its factorization.
380618345481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55186117 (or 55186106 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 51.
The spelling of 380618345481 in words is "three hundred eighty billion, six hundred eighteen million, three hundred forty-five thousand, four hundred eighty-one".
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