Base | Representation |
---|---|
bin | 11010000010101111… |
… | …10110101000111010 |
3 | 1100002101222122002100 |
4 | 31001113312220322 |
5 | 212113302032132 |
6 | 10231215444230 |
7 | 1003323161040 |
oct | 150127665072 |
9 | 40071878070 |
10 | 13981674042 |
11 | 5a25321716 |
12 | 2862526676 |
13 | 141a89370b |
14 | 968ca6390 |
15 | 56c71337c |
hex | 3415f6a3a |
13981674042 has 24 divisors (see below), whose sum is σ = 34621288416. Its totient is φ = 3994763976.
The previous prime is 13981674023. The next prime is 13981674043. The reversal of 13981674042 is 24047618931.
It is not an unprimeable number, because it can be changed into a prime (13981674043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55482708 + ... + 55482959.
It is an arithmetic number, because the mean of its divisors is an integer number (1442553684).
Almost surely, 213981674042 is an apocalyptic number.
13981674042 is an abundant number, since it is smaller than the sum of its proper divisors (20639614374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13981674042 is a wasteful number, since it uses less digits than its factorization.
13981674042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110965682 (or 110965679 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 13981674042 in words is "thirteen billion, nine hundred eighty-one million, six hundred seventy-four thousand, forty-two".
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