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51241183013 = 712155733479
BaseRepresentation
bin101111101110001101…
…100110011100100101
311220021002022210122002
4233232031212130211
51314420220324023
635312340215045
73462542604056
oct575615463445
9156232283562
1051241183013
111a805348239
129b2069a485
134aa7c53347
1426a150072d
1514ed817b28
hexbee366725

51241183013 has 8 divisors (see below), whose sum is σ = 51966852480. Its totient is φ = 50515623760.

The previous prime is 51241183001. The next prime is 51241183057. The reversal of 51241183013 is 31038114215.

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 51241183013 - 218 = 51240920869 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 (51241183093) 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, 1513808 + ... + 1547286.

It is an arithmetic number, because the mean of its divisors is an integer number (6495856560).

Almost surely, 251241183013 is an apocalyptic number.

It is an amenable number.

51241183013 is a deficient number, since it is larger than the sum of its proper divisors (725669467).

51241183013 is a wasteful number, since it uses less digits than its factorization.

51241183013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55107.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 51241183013 its reverse (31038114215), we get a palindrome (82279297228).

The spelling of 51241183013 in words is "fifty-one billion, two hundred forty-one million, one hundred eighty-three thousand, thirteen".

Divisors: 1 71 21557 33479 1530547 2377009 721706803 51241183013