Search a number
-
+
47134354786 = 223567177393
BaseRepresentation
bin101011111001011011…
…010010110101100010
311111122212121022101221
4223321123102311202
51233012343323121
633353032445254
73256014255661
oct537133226542
9144585538357
1047134354786
1118a98129422
12917524982a
1345a216a17c
1423d1cdcdd8
15135cedeb41
hexaf96d2d62

47134354786 has 4 divisors (see below), whose sum is σ = 70701532182. Its totient is φ = 23567177392.

The previous prime is 47134354783. The next prime is 47134354807. The reversal of 47134354786 is 68745343174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68745343174 = 234372671587.

It can be written as a sum of positive squares in only one way, i.e., 37448055225 + 9686299561 = 193515^2 + 98419^2 .

It is a super-2 number, since 2×471343547862 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47134354781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11783588695 + ... + 11783588698.

Almost surely, 247134354786 is an apocalyptic number.

47134354786 is a deficient number, since it is larger than the sum of its proper divisors (23567177396).

47134354786 is a wasteful number, since it uses less digits than its factorization.

47134354786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23567177395.

The product of its digits is 6773760, while the sum is 52.

The spelling of 47134354786 in words is "forty-seven billion, one hundred thirty-four million, three hundred fifty-four thousand, seven hundred eighty-six".

Divisors: 1 2 23567177393 47134354786