Search a number
-
+
1051011049 = 11195028761
BaseRepresentation
bin111110101001010…
…010011111101001
32201020122220010011
4332221102133221
54123024323144
6252142451521
735021306104
oct7651223751
92636586104
101051011049
1149a2a5180
12253b93ba1
1313998a83a
149d82973b
156240aa34
hex3ea527e9

1051011049 has 8 divisors (see below), whose sum is σ = 1206902880. Its totient is φ = 905176800.

The previous prime is 1051011037. The next prime is 1051011067. The reversal of 1051011049 is 9401101501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1051011049 - 29 = 1051010537 is a prime.

It is a super-2 number, since 2×10510110492 = 2209248450240160802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051017049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514172 + ... + 2514589.

It is an arithmetic number, because the mean of its divisors is an integer number (150862860).

Almost surely, 21051011049 is an apocalyptic number.

1051011049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1051011049 is a deficient number, since it is larger than the sum of its proper divisors (155891831).

1051011049 is a wasteful number, since it uses less digits than its factorization.

1051011049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028791.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1051011049 is about 32419.3005630905. The cubic root of 1051011049 is about 1016.7224828026.

The spelling of 1051011049 in words is "one billion, fifty-one million, eleven thousand, forty-nine".

Divisors: 1 11 19 209 5028761 55316371 95546459 1051011049