Search a number
-
+
50513004600031 = 56418954618791
BaseRepresentation
bin10110111110000111110011…
…01100100001101011011111
320121211222220010211002220101
423133003321230201223133
523110101113134200111
6255233204242201531
713432305225524341
oct1337037154415337
9217758803732811
1050513004600031
1115105499253016
1257b99130532a7
132225481b9344c
14c68bb1a33291
155c8e5c302bc1
hex2df0f9b21adf

50513004600031 has 4 divisors (see below), whose sum is σ = 50521959224464. Its totient is φ = 50504049975600.

The previous prime is 50513004600013. The next prime is 50513004600043. The reversal of 50513004600031 is 13000640031505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50513004600031 is a prime.

It is a super-2 number, since 2×505130046000312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513004600731) 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, 4477303755 + ... + 4477315036.

It is an arithmetic number, because the mean of its divisors is an integer number (12630489806116).

Almost surely, 250513004600031 is an apocalyptic number.

50513004600031 is a deficient number, since it is larger than the sum of its proper divisors (8954624433).

50513004600031 is an equidigital number, since it uses as much as digits as its factorization.

50513004600031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954624432.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 50513004600031 its reverse (13000640031505), we get a palindrome (63513644631536).

The spelling of 50513004600031 in words is "fifty trillion, five hundred thirteen billion, four million, six hundred thousand, thirty-one".

Divisors: 1 5641 8954618791 50513004600031