Search a number
-
+
51132020333 = 223523743783
BaseRepresentation
bin101111100111101101…
…001011011001101101
311212222110220202120212
4233213231023121231
51314204244122313
635253440352205
73460046000402
oct574755133155
9155873822525
1051132020333
111a759768749
129ab0015665
134a8b452144
142690c062a9
1514e3e533a8
hexbe7b4b66d

51132020333 has 8 divisors (see below), whose sum is σ = 51372292608. Its totient is φ = 50891846544.

The previous prime is 51132020273. The next prime is 51132020417. The reversal of 51132020333 is 33302023115.

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 51132020333 - 28 = 51132020077 is a prime.

It is a super-2 number, since 2×511320203332 (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 = 51132020299 and 51132020308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51132080333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145960 + ... + 1189742.

It is an arithmetic number, because the mean of its divisors is an integer number (6421536576).

Almost surely, 251132020333 is an apocalyptic number.

It is an amenable number.

51132020333 is a deficient number, since it is larger than the sum of its proper divisors (240272275).

51132020333 is a wasteful number, since it uses less digits than its factorization.

51132020333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49243.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 51132020333 its reverse (33302023115), we get a palindrome (84434043448).

The spelling of 51132020333 in words is "fifty-one billion, one hundred thirty-two million, twenty thousand, three hundred thirty-three".

Divisors: 1 223 5237 43783 1167851 9763609 229291571 51132020333