Base | Representation |
---|---|
bin | 11101001111100110… |
… | …00101110010010000 |
3 | 1111112011111012121211 |
4 | 32213303011302100 |
5 | 224123210340000 |
6 | 11113523225504 |
7 | 1064030364100 |
oct | 164763056220 |
9 | 44464435554 |
10 | 15700090000 |
11 | 6727322aa1 |
12 | 3061b18294 |
13 | 16328ba3aa |
14 | a8d1c3200 |
15 | 61d5037ba |
hex | 3a7cc5c90 |
15700090000 has 225 divisors, whose sum is σ = 44465849967. Its totient is φ = 5352816000.
The previous prime is 15700089971. The next prime is 15700090001. The reversal of 15700090000 is 9000751.
The square root of 15700090000 is 125300.
It is a perfect power (a square), and thus also a powerful number.
15700090000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1230887056 + 14469202944 = 35084^2 + 120288^2 .
It is not an unprimeable number, because it can be changed into a prime (15700090001) by changing a digit.
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 44 ways as a sum of consecutive naturals, for example, 87709911 + ... + 87710089.
Almost surely, 215700090000 is an apocalyptic number.
15700090000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15700090000 is the 125300-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 15700090000
15700090000 is an abundant number, since it is smaller than the sum of its proper divisors (28765759967).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15700090000 is an frugal number, since it uses more digits than its factorization.
15700090000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400 (or 193 counting only the distinct ones).
The product of its (nonzero) digits is 315, while the sum is 22.
Adding to 15700090000 its reverse (9000751), we get a palindrome (15709090751).
The spelling of 15700090000 in words is "fifteen billion, seven hundred million, ninety thousand".
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