Search a number
-
+
20004645354 = 2312671263129
BaseRepresentation
bin10010101000010111…
…101010100111101010
31220122011021021110220
4102220113222213222
5311432142122404
613105012550510
71305506452131
oct225027524752
956564237426
1020004645354
118536112161
123a63622436
131b6a643175
14d7ab74918
157c13874d9
hex4a85ea9ea

20004645354 has 16 divisors (see below), whose sum is σ = 40012600320. Its totient is φ = 6667663520.

The previous prime is 20004645341. The next prime is 20004645377. The reversal of 20004645354 is 45354640002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55539 + ... + 207590.

It is an arithmetic number, because the mean of its divisors is an integer number (2500787520).

Almost surely, 220004645354 is an apocalyptic number.

20004645354 is an abundant number, since it is smaller than the sum of its proper divisors (20007954966).

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

20004645354 is a wasteful number, since it uses less digits than its factorization.

20004645354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275805.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 20004645354 in words is "twenty billion, four million, six hundred forty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 12671 25342 38013 76026 263129 526258 789387 1578774 3334107559 6668215118 10002322677 20004645354