Base | Representation |
---|---|
bin | 100110100011111… |
… | …0000101100001101 |
3 | 10100011122220210100 |
4 | 1031013300230031 |
5 | 10122213130302 |
6 | 332220201313 |
7 | 44030541060 |
oct | 11507605415 |
9 | 3304586710 |
10 | 1293880077 |
11 | 6043a8286 |
12 | 301399239 |
13 | 1780a4519 |
14 | c3baa8d7 |
15 | 788d1d1c |
hex | 4d1f0b0d |
1293880077 has 48 divisors (see below), whose sum is σ = 2214784000. Its totient is φ = 712281600.
The previous prime is 1293880039. The next prime is 1293880079. The reversal of 1293880077 is 7700883921.
It is not a de Polignac number, because 1293880077 - 27 = 1293879949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1293880079) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 469299 + ... + 472047.
Almost surely, 21293880077 is an apocalyptic number.
It is an amenable number.
1293880077 is a deficient number, since it is larger than the sum of its proper divisors (920903923).
1293880077 is a wasteful number, since it uses less digits than its factorization.
1293880077 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3034 (or 3031 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 1293880077 is about 35970.5445746933. The cubic root of 1293880077 is about 1089.6775627937.
The spelling of 1293880077 in words is "one billion, two hundred ninety-three million, eight hundred eighty thousand, seventy-seven".
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