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20122123132 = 226775082549
BaseRepresentation
bin10010101111010111…
…110011101101111100
31220221100022202200201
4102233113303231330
5312202230420012
613124410533244
71311434140006
oct225727635574
956840282621
1020122123132
118596460a31
123a96a37224
131b88a96047
14d8c5d5376
157cb840857
hex4af5f3b7c

20122123132 has 12 divisors (see below), whose sum is σ = 35739293800. Its totient is φ = 9910896336.

The previous prime is 20122123127. The next prime is 20122123139. The reversal of 20122123132 is 23132122102.

It is a super-3 number, since 3×201221231323 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122123139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37541007 + ... + 37541542.

Almost surely, 220122123132 is an apocalyptic number.

It is an amenable number.

20122123132 is a deficient number, since it is larger than the sum of its proper divisors (15617170668).

20122123132 is a wasteful number, since it uses less digits than its factorization.

20122123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75082620 (or 75082618 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20122123132 its reverse (23132122102), we get a palindrome (43254245234).

The spelling of 20122123132 in words is "twenty billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 67 134 268 75082549 150165098 300330196 5030530783 10061061566 20122123132