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1249064201 = 71116221613
BaseRepresentation
bin100101001110011…
…0011010100001001
310020001100000222002
41022130303110021
510024230023301
6323535440345
742644604410
oct11234632411
93201300862
101249064201
11591078470
122aa3860b5
1316ba12958
14bbc62477
15749cd16b
hex4a733509

1249064201 has 8 divisors (see below), whose sum is σ = 1557274944. Its totient is φ = 973296720.

The previous prime is 1249064153. The next prime is 1249064207. The reversal of 1249064201 is 1024609421.

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

It is a de Polignac number, because none of the positive numbers 2k-1249064201 is a prime.

It is a super-2 number, since 2×12490642012 = 3120322756439536802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249064207) 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, 8110730 + ... + 8110883.

It is an arithmetic number, because the mean of its divisors is an integer number (194659368).

Almost surely, 21249064201 is an apocalyptic number.

1249064201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1249064201 is a deficient number, since it is larger than the sum of its proper divisors (308210743).

1249064201 is a wasteful number, since it uses less digits than its factorization.

1249064201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221631.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1249064201 is about 35342.1023851157. The cubic root of 1249064201 is about 1076.9484621956.

The spelling of 1249064201 in words is "one billion, two hundred forty-nine million, sixty-four thousand, two hundred one".

Divisors: 1 7 11 77 16221613 113551291 178437743 1249064201