Base | Representation |
---|---|
bin | 100000100011111110… |
… | …1010001011110001011 |
3 | 20200111022110111120002 |
4 | 1001013331101132023 |
5 | 2121202220041134 |
6 | 52042432153215 |
7 | 5023564216322 |
oct | 1010775213613 |
9 | 220438414502 |
10 | 69926721419 |
11 | 277238a1865 |
12 | 1167639880b |
13 | 67951cb749 |
14 | 3554dbd0b9 |
15 | 1c43e8887e |
hex | 1047f5178b |
69926721419 has 8 divisors (see below), whose sum is σ = 70126858032. Its totient is φ = 69726653280.
The previous prime is 69926721413. The next prime is 69926721443. The reversal of 69926721419 is 91412762996.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69926721419 is a prime.
It is a super-2 number, since 2×699267214192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69926721413) 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 7 ways as a sum of consecutive naturals, for example, 2586737 + ... + 2613629.
It is an arithmetic number, because the mean of its divisors is an integer number (8765857254).
Almost surely, 269926721419 is an apocalyptic number.
69926721419 is a deficient number, since it is larger than the sum of its proper divisors (200136613).
69926721419 is a wasteful number, since it uses less digits than its factorization.
69926721419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34237.
The product of its digits is 2939328, while the sum is 56.
The spelling of 69926721419 in words is "sixty-nine billion, nine hundred twenty-six million, seven hundred twenty-one thousand, four hundred nineteen".
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