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50550550000251 = 372407169047631
BaseRepresentation
bin10110111111001101101111…
…00100110111001001111011
320121222120210202010001111220
423133212313210313021323
523111210011300002001
6255302334014323123
713435104516255510
oct1337466744671173
9217876722101456
1050550550000251
111511a4056969a4
125805050ab94a3
132228b865510b2
14c6a93420b307
155c9e0857ac36
hex2df9b793727b

50550550000251 has 8 divisors (see below), whose sum is σ = 77029409524224. Its totient is φ = 28886028571560.

The previous prime is 50550550000169. The next prime is 50550550000271. The reversal of 50550550000251 is 15200005505505.

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

It is not a de Polignac number, because 50550550000251 - 211 = 50550549998203 is a prime.

It is a super-2 number, since 2×505505500002512 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50550550000271) 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, 1203584523795 + ... + 1203584523836.

It is an arithmetic number, because the mean of its divisors is an integer number (9628676190528).

Almost surely, 250550550000251 is an apocalyptic number.

50550550000251 is a deficient number, since it is larger than the sum of its proper divisors (26478859523973).

50550550000251 is a wasteful number, since it uses less digits than its factorization.

50550550000251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407169047641.

The product of its (nonzero) digits is 31250, while the sum is 33.

Adding to 50550550000251 its reverse (15200005505505), we get a palindrome (65750555505756).

The spelling of 50550550000251 in words is "fifty trillion, five hundred fifty billion, five hundred fifty million, two hundred fifty-one", and thus it is an aban number.

Divisors: 1 3 7 21 2407169047631 7221507142893 16850183333417 50550550000251