Search a number
-
+
20301934974 = 236133551713
BaseRepresentation
bin10010111010000101…
…101111000101111110
31221101212200011011120
4102322011233011332
5313034243404344
613154312531410
71316046412536
oct227205570576
957355604146
1020301934974
118678a05262
123b270b0b66
131bb7102399
14da84404c6
157dc50d219
hex4ba16f17e

20301934974 has 16 divisors (see below), whose sum is σ = 40610564112. Its totient is φ = 6766195968.

The previous prime is 20301934963. The next prime is 20301934979. The reversal of 20301934974 is 47943910302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301934979) 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, 239059 + ... + 312654.

It is an arithmetic number, because the mean of its divisors is an integer number (2538160257).

Almost surely, 220301934974 is an apocalyptic number.

20301934974 is an abundant number, since it is smaller than the sum of its proper divisors (20308629138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20301934974 is a wasteful number, since it uses less digits than its factorization.

20301934974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557851.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 20301934974 in words is "twenty billion, three hundred one million, nine hundred thirty-four thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 6133 12266 18399 36798 551713 1103426 1655139 3310278 3383655829 6767311658 10150967487 20301934974