Search a number
-
+
4702000081 = 18125977901
BaseRepresentation
bin1000110000100001…
…01101001111010001
3110010200122100112011
410120100231033101
534112203000311
62054324102521
7224343225022
oct43020551721
913120570464
104702000081
111aa317a289
12ab2834a41
1359c1b128c
1432868cc49
151c7be0321
hex11842d3d1

4702000081 has 4 divisors (see below), whose sum is σ = 4727978164. Its totient is φ = 4676022000.

The previous prime is 4702000033. The next prime is 4702000087. The reversal of 4702000081 is 1800002074.

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 237622225 + 4464377856 = 15415^2 + 66816^2 .

It is a cyclic number.

It is not a de Polignac number, because 4702000081 - 211 = 4701998033 is a prime.

It is a super-2 number, since 2×47020000812 = 44217609523448013122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4702000087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12988770 + ... + 12989131.

It is an arithmetic number, because the mean of its divisors is an integer number (1181994541).

Almost surely, 24702000081 is an apocalyptic number.

It is an amenable number.

4702000081 is a deficient number, since it is larger than the sum of its proper divisors (25978083).

4702000081 is a wasteful number, since it uses less digits than its factorization.

4702000081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25978082.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 4702000081 is about 68571.1315423626. The cubic root of 4702000081 is about 1675.3062579231.

The spelling of 4702000081 in words is "four billion, seven hundred two million, eighty-one", and thus it is an aban number.

Divisors: 1 181 25977901 4702000081