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51348401386241 = 509272113707359
BaseRepresentation
bin10111010110011011110110…
…01110010111001100000001
320201210212012101020220011212
423223031323032113030001
523212243011223324431
6301113044022415505
713546541153200661
oct1353157316271401
9221725171226155
1051348401386241
11153a7809a29133
1259137b7891595
13228619731b31b
14c973c10701a1
155e0a52e0172b
hex2eb37b397301

51348401386241 has 8 divisors (see below), whose sum is σ = 51451186963200. Its totient is φ = 51245623279440.

The previous prime is 51348401386189. The next prime is 51348401386279. The reversal of 51348401386241 is 14268310484315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51348401386241 is a prime.

It is a super-2 number, since 2×513484013862412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51348401386241.

It is not an unprimeable number, because it can be changed into a prime (51348401383241) 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, 11996720 + ... + 15704078.

It is an arithmetic number, because the mean of its divisors is an integer number (6431398370400).

Almost surely, 251348401386241 is an apocalyptic number.

It is an amenable number.

51348401386241 is a deficient number, since it is larger than the sum of its proper divisors (102785576959).

51348401386241 is a wasteful number, since it uses less digits than its factorization.

51348401386241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735079.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 51348401386241 in words is "fifty-one trillion, three hundred forty-eight billion, four hundred one million, three hundred eighty-six thousand, two hundred forty-one".

Divisors: 1 509 27211 3707359 13850399 1887045731 100880945749 51348401386241