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20154313435 = 536913109199
BaseRepresentation
bin10010110001010010…
…100110101011011011
31221000120220012111011
4102301102212223123
5312234001012220
613131520514351
71312304560204
oct226122465333
957016805434
1020154313435
118602647a93
123aa577b9b7
131b92656c69
14d929b45ab
157ce59d65a
hex4b14a6adb

20154313435 has 8 divisors (see below), whose sum is σ = 24186052800. Its totient is φ = 16122866304.

The previous prime is 20154313427. The next prime is 20154313471. The reversal of 20154313435 is 53431345102.

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

It is a cyclic number.

It is not a de Polignac number, because 20154313435 - 23 = 20154313427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20154313397 and 20154313406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129966 + ... + 239164.

It is an arithmetic number, because the mean of its divisors is an integer number (3023256600).

Almost surely, 220154313435 is an apocalyptic number.

20154313435 is a deficient number, since it is larger than the sum of its proper divisors (4031739365).

20154313435 is a wasteful number, since it uses less digits than its factorization.

20154313435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146117.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 20154313435 its reverse (53431345102), we get a palindrome (73585658537).

The spelling of 20154313435 in words is "twenty billion, one hundred fifty-four million, three hundred thirteen thousand, four hundred thirty-five".

Divisors: 1 5 36913 109199 184565 545995 4030862687 20154313435