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20124022242 = 2347523136447
BaseRepresentation
bin10010101111011111…
…000011010111100010
31220221110220020210010
4102233133003113202
5312203222202432
613124515345350
71311456236532
oct225737032742
956843806703
1020124022242
118597538845
123a975b2256
131b892ac58c
14d8c96b4c2
157cbab83cc
hex4af7c35e2

20124022242 has 32 divisors (see below), whose sum is σ = 41183281152. Its totient is φ = 6552682704.

The previous prime is 20124022223. The next prime is 20124022307. The reversal of 20124022242 is 24222042102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79263 + ... + 215709.

It is an arithmetic number, because the mean of its divisors is an integer number (1286977536).

Almost surely, 220124022242 is an apocalyptic number.

20124022242 is an abundant number, since it is smaller than the sum of its proper divisors (21059258910).

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

20124022242 is a wasteful number, since it uses less digits than its factorization.

20124022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137022.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20124022242 its reverse (24222042102), we get a palindrome (44346064344).

The spelling of 20124022242 in words is "twenty billion, one hundred twenty-four million, twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 523 1046 1569 3138 24581 49162 73743 136447 147486 272894 409341 818682 6413009 12826018 19239027 38478054 71361781 142723562 214085343 428170686 3354003707 6708007414 10062011121 20124022242