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20112421102 = 223071435881
BaseRepresentation
bin10010101110110010…
…110011000011101110
31220220200001212000021
4102232302303003232
5312142234433402
613123422552354
71311255521134
oct225662630356
956820055007
1020112421102
118590a34724
123a937386ba
131b86a79cb7
14d8b1cb754
157caa75d37
hex4aecb30ee

20112421102 has 8 divisors (see below), whose sum is σ = 30170008512. Its totient is φ = 10055751600.

The previous prime is 20112421099. The next prime is 20112421117.

20112421102 is nontrivially palindromic in base 10.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171799 + ... + 264082.

It is an arithmetic number, because the mean of its divisors is an integer number (3771251064).

Almost surely, 220112421102 is an apocalyptic number.

20112421102 is a deficient number, since it is larger than the sum of its proper divisors (10057587410).

20112421102 is a wasteful number, since it uses less digits than its factorization.

20112421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458954.

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 20112421102 in words is "twenty billion, one hundred twelve million, four hundred twenty-one thousand, one hundred two".

Divisors: 1 2 23071 46142 435881 871762 10056210551 20112421102