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1964291093 = 127145910601
BaseRepresentation
bin111010100010100…
…1011010000010101
312001220011022210222
41311011023100111
513010324303333
6522525324125
766451125122
oct16505132025
95056138728
101964291093
11918877a76
12469a06645
13253c53a2b
14148c41749
15b76ac298
hex7514b415

1964291093 has 8 divisors (see below), whose sum is σ = 1981301760. Its totient is φ = 1947304800.

The previous prime is 1964291051. The next prime is 1964291101. The reversal of 1964291093 is 3901924691.

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 1964291093 - 26 = 1964291029 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 (1964291033) 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, 179993 + ... + 190593.

It is an arithmetic number, because the mean of its divisors is an integer number (247662720).

Almost surely, 21964291093 is an apocalyptic number.

It is an amenable number.

1964291093 is a deficient number, since it is larger than the sum of its proper divisors (17010667).

1964291093 is a wasteful number, since it uses less digits than its factorization.

1964291093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 1964291093 is about 44320.3237014352. The cubic root of 1964291093 is about 1252.3775746837.

The spelling of 1964291093 in words is "one billion, nine hundred sixty-four million, two hundred ninety-one thousand, ninety-three".

Divisors: 1 127 1459 10601 185293 1346327 15466859 1964291093