Base | Representation |
---|---|
bin | 11000111001110110… |
… | …10001011110100101 |
3 | 1021111210101122011110 |
4 | 30130323101132211 |
5 | 204340232431041 |
6 | 10050413455233 |
7 | 652216561551 |
oct | 143473213645 |
9 | 37453348143 |
10 | 13370202021 |
11 | 5741148740 |
12 | 27117a1519 |
13 | 1350cac257 |
14 | 90b9b4861 |
15 | 533bcb516 |
hex | 31ced17a5 |
13370202021 has 48 divisors (see below), whose sum is σ = 20371366080. Its totient is φ = 7734397440.
The previous prime is 13370201989. The next prime is 13370202023. The reversal of 13370202021 is 12020207331.
It is not a de Polignac number, because 13370202021 - 25 = 13370201989 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13370202023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2467311 + ... + 2472723.
It is an arithmetic number, because the mean of its divisors is an integer number (424403460).
Almost surely, 213370202021 is an apocalyptic number.
13370202021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13370202021 is a deficient number, since it is larger than the sum of its proper divisors (7001164059).
13370202021 is a wasteful number, since it uses less digits than its factorization.
13370202021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5574 (or 5545 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 21.
Adding to 13370202021 its reverse (12020207331), we get a palindrome (25390409352).
The spelling of 13370202021 in words is "thirteen billion, three hundred seventy million, two hundred two thousand, twenty-one".
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