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4704902981 = 19132459437
BaseRepresentation
bin1000110000110111…
…10001111101000101
3110010220002211112222
410120123301331011
534113423343411
62054510222125
7224410005212
oct43033617505
913126084488
104704902981
111aa4882279
12ab37b4945
1359c98967c
14328c06b09
151c80b54db
hex1186f1f45

4704902981 has 4 divisors (see below), whose sum is σ = 4707364332. Its totient is φ = 4702441632.

The previous prime is 4704902947. The next prime is 4704902999. The reversal of 4704902981 is 1892094074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4242437956 + 462465025 = 65134^2 + 21505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4704902981 is a prime.

It is a super-2 number, since 2×47049029812 = 44272224121245372722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4704902281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227806 + ... + 1231631.

It is an arithmetic number, because the mean of its divisors is an integer number (1176841083).

Almost surely, 24704902981 is an apocalyptic number.

It is an amenable number.

4704902981 is a deficient number, since it is larger than the sum of its proper divisors (2461351).

4704902981 is a wasteful number, since it uses less digits than its factorization.

4704902981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461350.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4704902981 is about 68592.2953472181. The cubic root of 4704902981 is about 1675.6509513854.

The spelling of 4704902981 in words is "four billion, seven hundred four million, nine hundred two thousand, nine hundred eighty-one".

Divisors: 1 1913 2459437 4704902981