Search a number
-
+
70084000147 = 710012000021
BaseRepresentation
bin100000101000101010…
…1001111100110010011
320200220021102002102011
41001101111033212103
52122013001001042
652110211203351
75030514113020
oct1012125174623
9220807362364
1070084000147
11277a4655687
12116baba6557
1367bb978695
14356bc40547
151c52ba4a17
hex105154f993

70084000147 has 4 divisors (see below), whose sum is σ = 80096000176. Its totient is φ = 60072000120.

The previous prime is 70084000121. The next prime is 70084000157. The reversal of 70084000147 is 74100048007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74100048007 = 349921177493.

It is a cyclic number.

It is not a de Polignac number, because 70084000147 - 215 = 70083967379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70084000117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006000004 + ... + 5006000017.

It is an arithmetic number, because the mean of its divisors is an integer number (20024000044).

Almost surely, 270084000147 is an apocalyptic number.

70084000147 is a deficient number, since it is larger than the sum of its proper divisors (10012000029).

70084000147 is a wasteful number, since it uses less digits than its factorization.

70084000147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012000028.

The product of its (nonzero) digits is 6272, while the sum is 31.

The spelling of 70084000147 in words is "seventy billion, eighty-four million, one hundred forty-seven", and thus it is an aban number.

Divisors: 1 7 10012000021 70084000147