Search a number
-
+
208074424608 = 2532268792
BaseRepresentation
bin1100000111001000110…
…0111100000100100000
3201220002001201221202200
43001302030330010200
511402114023041413
6235331005013200
721014164266351
oct3016214740440
9656061657680
10208074424608
1180275651996
12343ab854200
13168100bca0b
14a0dc5ddd28
15562c271573
hex307233c120

208074424608 has 54 divisors (see below), whose sum is σ = 591733659699. Its totient is φ = 69355561152.

The previous prime is 208074424531. The next prime is 208074424631. The reversal of 208074424608 is 806424470802.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

208074424608 is a `hidden beast` number, since 2 + 0 + 80 + 74 + 42 + 460 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 104037212304 + 104037212304 = 322548^2 + 322548^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=322548.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7727713 + ... + 7754591.

Almost surely, 2208074424608 is an apocalyptic number.

It is an amenable number.

208074424608 is an abundant number, since it is smaller than the sum of its proper divisors (383659235091).

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

208074424608 is an frugal number, since it uses more digits than its factorization.

208074424608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53774 (or 26884 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 208074424608 in words is "two hundred eight billion, seventy-four million, four hundred twenty-four thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 26879 53758 80637 107516 161274 215032 241911 322548 430064 483822 645096 860128 967644 1290192 1935288 2580384 3870576 7741152 722480641 1444961282 2167441923 2889922564 4334883846 5779845128 6502325769 8669767692 11559690256 13004651538 17339535384 23119380512 26009303076 34679070768 52018606152 69358141536 104037212304 208074424608