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53015101151 = 163732385523
BaseRepresentation
bin110001010111111100…
…100011111011011111
312001211201021011211212
4301113330203323133
51332033331214101
640204345335035
73554522632055
oct612774437337
9161751234755
1053015101151
1120535708191
12a33679747b
134ccb61094c
1427ccd481d5
1515a441d1bb
hexc57f23edf

53015101151 has 4 divisors (see below), whose sum is σ = 53047488312. Its totient is φ = 52982713992.

The previous prime is 53015101141. The next prime is 53015101163. The reversal of 53015101151 is 15110151035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53015101151 - 214 = 53015084767 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 (53015101141) 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, 16191125 + ... + 16194398.

It is an arithmetic number, because the mean of its divisors is an integer number (13261872078).

Almost surely, 253015101151 is an apocalyptic number.

53015101151 is a deficient number, since it is larger than the sum of its proper divisors (32387161).

53015101151 is a wasteful number, since it uses less digits than its factorization.

53015101151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32387160.

The product of its (nonzero) digits is 375, while the sum is 23.

Adding to 53015101151 its reverse (15110151035), we get a palindrome (68125252186).

The spelling of 53015101151 in words is "fifty-three billion, fifteen million, one hundred one thousand, one hundred fifty-one".

Divisors: 1 1637 32385523 53015101151