Base | Representation |
---|---|
bin | 1001001001100000110… |
… | …0010111110011010100 |
3 | 120000200121020011100220 |
4 | 2102120030113303110 |
5 | 10033342040441313 |
6 | 200112013434340 |
7 | 14232605452143 |
oct | 2223014276324 |
9 | 500617204326 |
10 | 157172202708 |
11 | 6072467a204 |
12 | 2656479b9b0 |
13 | 11a8a4591a1 |
14 | 787013575a |
15 | 414d5b1823 |
hex | 2498317cd4 |
157172202708 has 12 divisors (see below), whose sum is σ = 366735139680. Its totient is φ = 52390734232.
The previous prime is 157172202661. The next prime is 157172202763. The reversal of 157172202708 is 807202271751.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 157172202708.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6548841768 + ... + 6548841791.
It is an arithmetic number, because the mean of its divisors is an integer number (30561261640).
Almost surely, 2157172202708 is an apocalyptic number.
It is an amenable number.
157172202708 is an abundant number, since it is smaller than the sum of its proper divisors (209562936972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157172202708 is a wasteful number, since it uses less digits than its factorization.
157172202708 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13097683566 (or 13097683564 counting only the distinct ones).
The product of its (nonzero) digits is 109760, while the sum is 42.
The spelling of 157172202708 in words is "one hundred fifty-seven billion, one hundred seventy-two million, two hundred two thousand, seven hundred eight".
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