Base | Representation |
---|---|
bin | 1010101001111101010010… |
… | …0111010011111101011101 |
3 | 1112111000220012111212112000 |
4 | 2222133110213103331131 |
5 | 3013423222340010412 |
6 | 40530121352232513 |
7 | 2316306662304555 |
oct | 252372447237535 |
9 | 45430805455460 |
10 | 11715942891357 |
11 | 3807781367881 |
12 | 139276569b739 |
13 | 66ca68870303 |
14 | 2c70a9dc4165 |
15 | 154b5a2264dc |
hex | aa7d49d3f5d |
11715942891357 has 16 divisors (see below), whose sum is σ = 17369271120000. Its totient is φ = 7805085184512.
The previous prime is 11715942891287. The next prime is 11715942891377. The reversal of 11715942891357 is 75319824951711.
11715942891357 is a `hidden beast` number, since 1 + 1 + 7 + 1 + 594 + 2 + 8 + 9 + 1 + 35 + 7 = 666.
It is not a de Polignac number, because 11715942891357 - 212 = 11715942887261 is a prime.
It is a super-2 number, since 2×117159428913572 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11715942891294 and 11715942891303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11715942891377) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153944857 + ... + 154020942.
It is an arithmetic number, because the mean of its divisors is an integer number (1085579445000).
Almost surely, 211715942891357 is an apocalyptic number.
It is an amenable number.
11715942891357 is a deficient number, since it is larger than the sum of its proper divisors (5653328228643).
11715942891357 is a wasteful number, since it uses less digits than its factorization.
11715942891357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307967217 (or 307967211 counting only the distinct ones).
The product of its digits is 19051200, while the sum is 63.
The spelling of 11715942891357 in words is "eleven trillion, seven hundred fifteen billion, nine hundred forty-two million, eight hundred ninety-one thousand, three hundred fifty-seven".
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