Search a number
-
+
1047016869 = 31936750051
BaseRepresentation
bin111110011010000…
…011010110100101
32200222010222010120
4332122003112211
54121014014434
6251521112153
734642332213
oct7632032645
92628128116
101047016869
114980172a8
12252788659
13138bbc812
149d0a9cb3
1561dbc349
hex3e6835a5

1047016869 has 16 divisors (see below), whose sum is σ = 1473530880. Its totient is φ = 659458800.

The previous prime is 1047016849. The next prime is 1047016897. The reversal of 1047016869 is 9686107401.

It is not a de Polignac number, because 1047016869 - 25 = 1047016837 is a prime.

It is a super-2 number, since 2×10470168692 = 2192488647941126322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1047016869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047016819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4107 + ... + 45944.

It is an arithmetic number, because the mean of its divisors is an integer number (92095680).

Almost surely, 21047016869 is an apocalyptic number.

1047016869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1047016869 is a deficient number, since it is larger than the sum of its proper divisors (426514011).

1047016869 is a wasteful number, since it uses less digits than its factorization.

1047016869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50440.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1047016869 is about 32357.6400406457. The cubic root of 1047016869 is about 1015.4328903246.

The spelling of 1047016869 in words is "one billion, forty-seven million, sixteen thousand, eight hundred sixty-nine".

Divisors: 1 3 19 57 367 1101 6973 20919 50051 150153 950969 2852907 18368717 55106151 349005623 1047016869