Base | Representation |
---|---|
bin | 111110101010000… |
… | …111111111001011 |
3 | 2201021002000200012 |
4 | 332222013333023 |
5 | 4123103331110 |
6 | 252151302135 |
7 | 35023210643 |
oct | 7652077713 |
9 | 2637060605 |
10 | 1051230155 |
11 | 49a434858 |
12 | 25407a94b |
13 | 139a364a1 |
14 | 9d885523 |
15 | 62450905 |
hex | 3ea87fcb |
1051230155 has 8 divisors (see below), whose sum is σ = 1261650192. Its totient is φ = 840868128.
The previous prime is 1051230137. The next prime is 1051230161. The reversal of 1051230155 is 5510321501.
It is a happy number.
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 1051230155 - 222 = 1047035851 is a prime.
It is a super-2 number, since 2×10512301552 = 2210169677562648050, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1051230155.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64904 + ... + 79466.
It is an arithmetic number, because the mean of its divisors is an integer number (157706274).
Almost surely, 21051230155 is an apocalyptic number.
1051230155 is a deficient number, since it is larger than the sum of its proper divisors (210420037).
1051230155 is a wasteful number, since it uses less digits than its factorization.
1051230155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29005.
The product of its (nonzero) digits is 750, while the sum is 23.
The square root of 1051230155 is about 32422.6796394129. The cubic root of 1051230155 is about 1016.7931304955.
Adding to 1051230155 its reverse (5510321501), we get a palindrome (6561551656).
The spelling of 1051230155 in words is "one billion, fifty-one million, two hundred thirty thousand, one hundred fifty-five".
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