Base | Representation |
---|---|
bin | 11000111101101001… |
… | …01100010000010000 |
3 | 1021121000021201110222 |
4 | 30132310230100100 |
5 | 204421404443440 |
6 | 10053512012212 |
7 | 653054246012 |
oct | 143664542020 |
9 | 37530251428 |
10 | 13402031120 |
11 | 5758108385 |
12 | 2720391068 |
13 | 135777493a |
14 | 911cdc1b2 |
15 | 5368b72b5 |
hex | 31ed2c410 |
13402031120 has 40 divisors (see below), whose sum is σ = 31253922240. Its totient is φ = 5344606080.
The previous prime is 13402031101. The next prime is 13402031131. The reversal of 13402031120 is 2113020431.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×134020311202 (a number of 21 digits) contains 22 as substring.
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, 226580 + ... + 279539.
It is an arithmetic number, because the mean of its divisors is an integer number (781348056).
Almost surely, 213402031120 is an apocalyptic number.
13402031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13402031120 is an abundant number, since it is smaller than the sum of its proper divisors (17851891120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13402031120 is a wasteful number, since it uses less digits than its factorization.
13402031120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 506463 (or 506457 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 13402031120 its reverse (2113020431), we get a palindrome (15515051551).
The spelling of 13402031120 in words is "thirteen billion, four hundred two million, thirty-one thousand, one hundred twenty".
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