Search a number
-
+
20157713246311 = 231606975453881
BaseRepresentation
bin1001001010101010101010…
…10101100110100001100111
32122101001120200202112022121
410211111111111212201213
510120230444042340221
6110512154200210411
74150226632343464
oct445252525464147
978331520675277
1020157713246311
116471924687313
122316849469a07
13b32b30865864
144d98d219066b
1524e535bbba41
hex125555566867

20157713246311 has 8 divisors (see below), whose sum is σ = 21034270311264. Its totient is φ = 19281167410560.

The previous prime is 20157713246287. The next prime is 20157713246317. The reversal of 20157713246311 is 11364231775102.

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 20157713246311 - 29 = 20157713245799 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 (20157713246317) 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, 969091 + ... + 6422971.

It is an arithmetic number, because the mean of its divisors is an integer number (2629283788908).

Almost surely, 220157713246311 is an apocalyptic number.

20157713246311 is a deficient number, since it is larger than the sum of its proper divisors (876557064953).

20157713246311 is a wasteful number, since it uses less digits than its factorization.

20157713246311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614601.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 20157713246311 in words is "twenty trillion, one hundred fifty-seven billion, seven hundred thirteen million, two hundred forty-six thousand, three hundred eleven".

Divisors: 1 23 160697 3696031 5453881 125439263 876422315057 20157713246311