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20101344412 = 2210149755803
BaseRepresentation
bin10010101110001000…
…100010110010011100
31220212220020002122111
4102232020202302130
5312131421010122
613122345323404
71311062415442
oct225610426234
956786202574
1020101344412
118585759636
123a8ba96564
131b8469c346
14d89946b92
157c9ad8d77
hex4ae222c9c

20101344412 has 12 divisors (see below), whose sum is σ = 35525644056. Its totient is φ = 9951160400.

The previous prime is 20101344407. The next prime is 20101344421. The reversal of 20101344412 is 21444310102.

It is a happy number.

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, 24877498 + ... + 24878305.

It is an arithmetic number, because the mean of its divisors is an integer number (2960470338).

Almost surely, 220101344412 is an apocalyptic number.

It is an amenable number.

20101344412 is a deficient number, since it is larger than the sum of its proper divisors (15424299644).

20101344412 is a wasteful number, since it uses less digits than its factorization.

20101344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49755908 (or 49755906 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20101344412 its reverse (21444310102), we get a palindrome (41545654514).

The spelling of 20101344412 in words is "twenty billion, one hundred one million, three hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 4 101 202 404 49755803 99511606 199023212 5025336103 10050672206 20101344412