Base | Representation |
---|---|
bin | 100101011101101… |
… | …1000010101011000 |
3 | 10020121102021210011 |
4 | 1022323120111120 |
5 | 10033303031102 |
6 | 324423331304 |
7 | 43103001466 |
oct | 11273302530 |
9 | 3217367704 |
10 | 1257080152 |
11 | 595652a19 |
12 | 2b0bb0b34 |
13 | 17058b413 |
14 | bcd4b836 |
15 | 755632d7 |
hex | 4aed8558 |
1257080152 has 16 divisors (see below), whose sum is σ = 2385424440. Its totient is φ = 620966976.
The previous prime is 1257080089. The next prime is 1257080159. The reversal of 1257080152 is 2510807521.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1257080159) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945933 + ... + 947260.
Almost surely, 21257080152 is an apocalyptic number.
It is an amenable number.
1257080152 is a deficient number, since it is larger than the sum of its proper divisors (1128344288).
1257080152 is a wasteful number, since it uses less digits than its factorization.
1257080152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1893282 (or 1893278 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 31.
The square root of 1257080152 is about 35455.3261443186. The cubic root of 1257080152 is about 1079.2473471109.
Adding to 1257080152 its reverse (2510807521), we get a palindrome (3767887673).
The spelling of 1257080152 in words is "one billion, two hundred fifty-seven million, eighty thousand, one hundred fifty-two".
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