Base | Representation |
---|---|
bin | 11001001110010111… |
… | …00000110110011011 |
3 | 1021221210002122011211 |
4 | 30213023200312123 |
5 | 210213302401301 |
6 | 10115441003551 |
7 | 656406032230 |
oct | 144713406633 |
9 | 37853078154 |
10 | 13542231451 |
11 | 581a266a21 |
12 | 275b3235b7 |
13 | 137a822208 |
14 | 926795787 |
15 | 543d5d051 |
hex | 3272e0d9b |
13542231451 has 16 divisors (see below), whose sum is σ = 15514470400. Its totient is φ = 11579446368.
The previous prime is 13542231449. The next prime is 13542231463. The reversal of 13542231451 is 15413224531.
It is not a de Polignac number, because 13542231451 - 21 = 13542231449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13542231751) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9476005 + ... + 9477433.
It is an arithmetic number, because the mean of its divisors is an integer number (969654400).
Almost surely, 213542231451 is an apocalyptic number.
13542231451 is a deficient number, since it is larger than the sum of its proper divisors (1972238949).
13542231451 is a wasteful number, since it uses less digits than its factorization.
13542231451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3778.
The product of its digits is 14400, while the sum is 31.
Adding to 13542231451 its reverse (15413224531), we get a palindrome (28955455982).
The spelling of 13542231451 in words is "thirteen billion, five hundred forty-two million, two hundred thirty-one thousand, four hundred fifty-one".
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