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53051304031 = 1117283696813
BaseRepresentation
bin110001011010000110…
…101010100001011111
312001221020101110212021
4301122012222201133
51332122113212111
640212121321011
73555442433605
oct613206524137
9161836343767
1053051304031
1120554094a20
12a346936167
135005c7807b
1427d3a8d875
1515a76bed71
hexc5a1aa85f

53051304031 has 8 divisors (see below), whose sum is σ = 61278511824. Its totient is φ = 45391489920.

The previous prime is 53051304023. The next prime is 53051304041. The reversal of 53051304031 is 13040315035.

53051304031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53051304031 - 23 = 53051304023 is a prime.

It is a super-2 number, since 2×530513040312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53051303987 and 53051304005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53051304041) 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, 141848220 + ... + 141848593.

It is an arithmetic number, because the mean of its divisors is an integer number (7659813978).

Almost surely, 253051304031 is an apocalyptic number.

53051304031 is a deficient number, since it is larger than the sum of its proper divisors (8227207793).

53051304031 is a wasteful number, since it uses less digits than its factorization.

53051304031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283696841.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 53051304031 its reverse (13040315035), we get a palindrome (66091619066).

The spelling of 53051304031 in words is "fifty-three billion, fifty-one million, three hundred four thousand, thirty-one".

Divisors: 1 11 17 187 283696813 3120664943 4822845821 53051304031