Base | Representation |
---|---|
bin | 1100100011100001000… |
… | …0010100101111011000 |
3 | 202121201221212102101110 |
4 | 3020320100110233120 |
5 | 12013214143340102 |
6 | 243030531420320 |
7 | 21404024115246 |
oct | 3107020245730 |
9 | 677657772343 |
10 | 215692168152 |
11 | 8352467340a |
12 | 35976a546a0 |
13 | 17455394886 |
14 | a622201796 |
15 | 5925e1086c |
hex | 3238414bd8 |
215692168152 has 32 divisors (see below), whose sum is σ = 540431406000. Its totient is φ = 71737257984.
The previous prime is 215692168151. The next prime is 215692168157. The reversal of 215692168152 is 251861296512.
It is a super-2 number, since 2×2156921681522 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215692168151) 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, 9997213 + ... + 10018764.
Almost surely, 2215692168152 is an apocalyptic number.
It is an amenable number.
215692168152 is an abundant number, since it is smaller than the sum of its proper divisors (324739237848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215692168152 is a wasteful number, since it uses less digits than its factorization.
215692168152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20016435 (or 20016431 counting only the distinct ones).
The product of its digits is 518400, while the sum is 48.
The spelling of 215692168152 in words is "two hundred fifteen billion, six hundred ninety-two million, one hundred sixty-eight thousand, one hundred fifty-two".
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