Search a number
-
+
34087825709 = 74869689387
BaseRepresentation
bin11111101111110010…
…101111000100101101
310020222122020222001022
4133233302233010231
51024302440410314
623354300223525
72314504511030
oct375762570455
9106878228038
1034087825709
1113502763a93
126733b3aba5
1332a3256b92
141915301017
15d4794b78e
hex7efcaf12d

34087825709 has 4 divisors (see below), whose sum is σ = 38957515104. Its totient is φ = 29218136316.

The previous prime is 34087825699. The next prime is 34087825727. The reversal of 34087825709 is 90752878043.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90752878043 = 389233297887.

It is a cyclic number.

It is not a de Polignac number, because 34087825709 - 220 = 34086777133 is a prime.

It is a super-2 number, since 2×340878257092 (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 (34087825769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434844687 + ... + 2434844700.

It is an arithmetic number, because the mean of its divisors is an integer number (9739378776).

Almost surely, 234087825709 is an apocalyptic number.

It is an amenable number.

34087825709 is a deficient number, since it is larger than the sum of its proper divisors (4869689395).

34087825709 is an equidigital number, since it uses as much as digits as its factorization.

34087825709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869689394.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 34087825709 in words is "thirty-four billion, eighty-seven million, eight hundred twenty-five thousand, seven hundred nine".

Divisors: 1 7 4869689387 34087825709