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20122321430 = 252012232143
BaseRepresentation
bin10010101111011000…
…100100001000010110
31220221100200211201002
4102233120210020112
5312202303241210
613124415103302
71311435624101
oct225730441026
956840624632
1020122321430
118596586a12
123a96b11b32
131b88b35393
14d8c647738
157cb87e4a5
hex4af624216

20122321430 has 8 divisors (see below), whose sum is σ = 36220178592. Its totient is φ = 8048928568.

The previous prime is 20122321423. The next prime is 20122321441. The reversal of 20122321430 is 3412322102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006116062 + ... + 1006116081.

It is an arithmetic number, because the mean of its divisors is an integer number (4527522324).

Almost surely, 220122321430 is an apocalyptic number.

20122321430 is a deficient number, since it is larger than the sum of its proper divisors (16097857162).

20122321430 is a wasteful number, since it uses less digits than its factorization.

20122321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012232150.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20122321430 its reverse (3412322102), we get a palindrome (23534643532).

The spelling of 20122321430 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 2012232143 4024464286 10061160715 20122321430