Search a number
-
+
10742064721 = 152319933539
BaseRepresentation
bin10100000000100011…
…01110011001010001
31000201122002102112221
422000101232121101
5133444432032341
64533531421041
7530125020643
oct120021563121
930648072487
1010742064721
114612685243
1220b95b4781
13102266711b
1473c92a893
1542d0dded1
hex28046e651

10742064721 has 8 divisors (see below), whose sum is σ = 10757550240. Its totient is φ = 10726593312.

The previous prime is 10742064689. The next prime is 10742064769. The reversal of 10742064721 is 12746024701.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10742064721 - 25 = 10742064689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10742064791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3033570 + ... + 3037108.

It is an arithmetic number, because the mean of its divisors is an integer number (1344693780).

Almost surely, 210742064721 is an apocalyptic number.

It is an amenable number.

10742064721 is a deficient number, since it is larger than the sum of its proper divisors (15485519).

10742064721 is a wasteful number, since it uses less digits than its factorization.

10742064721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 10742064721 in words is "ten billion, seven hundred forty-two million, sixty-four thousand, seven hundred twenty-one".

Divisors: 1 1523 1993 3539 3035339 5389897 7053227 10742064721