Base | Representation |
---|---|
bin | 10010101010011100… |
… | …001001101000101001 |
3 | 1220201120121202010221 |
4 | 102222130021220221 |
5 | 312020040003101 |
6 | 13112253210041 |
7 | 1306410610663 |
oct | 225234115051 |
9 | 56646552127 |
10 | 20039375401 |
11 | 8553783381 |
12 | 3a73190921 |
13 | 1b748b30a6 |
14 | d81615533 |
15 | 7c4447aa1 |
hex | 4aa709a29 |
20039375401 has 4 divisors (see below), whose sum is σ = 20123222400. Its totient is φ = 19955528404.
The previous prime is 20039375351. The next prime is 20039375423. The reversal of 20039375401 is 10457393002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20039375401 - 213 = 20039367209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20039375801) 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, 41923141 + ... + 41923618.
It is an arithmetic number, because the mean of its divisors is an integer number (5030805600).
Almost surely, 220039375401 is an apocalyptic number.
It is an amenable number.
20039375401 is a deficient number, since it is larger than the sum of its proper divisors (83846999).
20039375401 is an equidigital number, since it uses as much as digits as its factorization.
20039375401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83846998.
The product of its (nonzero) digits is 22680, while the sum is 34.
The spelling of 20039375401 in words is "twenty billion, thirty-nine million, three hundred seventy-five thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •