Search a number
-
+
20779374335 = 538039109253
BaseRepresentation
bin10011010110100011…
…000001011011111111
31222122011001120211212
4103112203001123333
5320024004434320
613313530035035
71333634524166
oct232643013377
958564046755
1020779374335
1188a3462545
12403ab78a7b
131c61cb8695
141011a023dd
158193bb9c5
hex4d68c16ff

20779374335 has 8 divisors (see below), whose sum is σ = 24936132960. Its totient is φ = 16622910304.

The previous prime is 20779374293. The next prime is 20779374337. The reversal of 20779374335 is 53347397702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20779374335 - 210 = 20779373311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20779374337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135569 + ... + 244821.

It is an arithmetic number, because the mean of its divisors is an integer number (3117016620).

Almost surely, 220779374335 is an apocalyptic number.

20779374335 is a deficient number, since it is larger than the sum of its proper divisors (4156758625).

20779374335 is a wasteful number, since it uses less digits than its factorization.

20779374335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147297.

The product of its (nonzero) digits is 3333960, while the sum is 50.

The spelling of 20779374335 in words is "twenty billion, seven hundred seventy-nine million, three hundred seventy-four thousand, three hundred thirty-five".

Divisors: 1 5 38039 109253 190195 546265 4155874867 20779374335