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20132121053 = 112379573601
BaseRepresentation
bin10010101111111101…
…111100100111011101
31220222001010201021002
4102233331330213131
5312212310333203
613125405120045
71311615130322
oct225775744735
956861121232
1020132121053
1185a106a580
123a9a259025
131b8ab86985
14d8da78b49
157cc667d88
hex4aff7c9dd

20132121053 has 8 divisors (see below), whose sum is σ = 22917197376. Its totient is φ = 17506192000.

The previous prime is 20132121043. The next prime is 20132121083. The reversal of 20132121053 is 35012123102.

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

It is not a de Polignac number, because 20132121053 - 226 = 20065012189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132121043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39786548 + ... + 39787053.

It is an arithmetic number, because the mean of its divisors is an integer number (2864649672).

Almost surely, 220132121053 is an apocalyptic number.

20132121053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20132121053 is a deficient number, since it is larger than the sum of its proper divisors (2785076323).

20132121053 is a wasteful number, since it uses less digits than its factorization.

20132121053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79573635.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20132121053 its reverse (35012123102), we get a palindrome (55144244155).

The spelling of 20132121053 in words is "twenty billion, one hundred thirty-two million, one hundred twenty-one thousand, fifty-three".

Divisors: 1 11 23 253 79573601 875309611 1830192823 20132121053