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20410053151 = 187710873763
BaseRepresentation
bin10011000000100010…
…001011001000011111
31221200102010010102111
4103000202023020133
5313244433200101
613213134134451
71321531406065
oct230042131037
957612103374
1020410053151
118723a41024
123b57351427
131c03629037
14db8946035
157e6c68251
hex4c088b21f

20410053151 has 4 divisors (see below), whose sum is σ = 20420928792. Its totient is φ = 20399177512.

The previous prime is 20410053149. The next prime is 20410053163. The reversal of 20410053151 is 15135001402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15135001402 = 27567500701.

It is a cyclic number.

It is not a de Polignac number, because 20410053151 - 21 = 20410053149 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 (20410053101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435005 + ... + 5438758.

It is an arithmetic number, because the mean of its divisors is an integer number (5105232198).

Almost surely, 220410053151 is an apocalyptic number.

20410053151 is a deficient number, since it is larger than the sum of its proper divisors (10875641).

20410053151 is a wasteful number, since it uses less digits than its factorization.

20410053151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875640.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20410053151 its reverse (15135001402), we get a palindrome (35545054553).

The spelling of 20410053151 in words is "twenty billion, four hundred ten million, fifty-three thousand, one hundred fifty-one".

Divisors: 1 1877 10873763 20410053151