Base | Representation |
---|---|
bin | 100000010001100100… |
… | …0011000000010100111 |
3 | 20121220020212122111101 |
4 | 1000203020120002213 |
5 | 2113421032444134 |
6 | 51501241420531 |
7 | 5002352500504 |
oct | 1004310300247 |
9 | 217806778441 |
10 | 69308874919 |
11 | 27437064619 |
12 | 1152349a747 |
13 | 66c71c49bb |
14 | 34d6d0c4ab |
15 | 1c09ae2e14 |
hex | 10232180a7 |
69308874919 has 4 divisors (see below), whose sum is σ = 69314671800. Its totient is φ = 69303078040.
The previous prime is 69308874917. The next prime is 69308874961. The reversal of 69308874919 is 91947880396.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 69308874919 - 21 = 69308874917 is a prime.
It is a super-2 number, since 2×693088749192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69308874917) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880469 + ... + 2904430.
It is an arithmetic number, because the mean of its divisors is an integer number (17328667950).
Almost surely, 269308874919 is an apocalyptic number.
69308874919 is a deficient number, since it is larger than the sum of its proper divisors (5796881).
69308874919 is a wasteful number, since it uses less digits than its factorization.
69308874919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5796880.
The product of its (nonzero) digits is 23514624, while the sum is 64.
The spelling of 69308874919 in words is "sixty-nine billion, three hundred eight million, eight hundred seventy-four thousand, nine hundred nineteen".
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