Search a number
-
+
5470020643 = 19972739119
BaseRepresentation
bin1010001100000100…
…11110010000100011
3112010012210211200011
411012002132100203
542200311130033
62302441305351
7252360260023
oct50602362043
915105724604
105470020643
11235775851a
121087a95257
13692348209
1439c691a83
1522034bccd
hex14609e423

5470020643 has 4 divisors (see below), whose sum is σ = 5472761760. Its totient is φ = 5467279528.

The previous prime is 5470020641. The next prime is 5470020709. The reversal of 5470020643 is 3460200745.

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

It is a cyclic number.

It is not a de Polignac number, because 5470020643 - 21 = 5470020641 is a prime.

It is a super-2 number, since 2×54700206432 = 59842251669692266898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5470020641) 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 3 ways as a sum of consecutive naturals, for example, 1367563 + ... + 1371556.

It is an arithmetic number, because the mean of its divisors is an integer number (1368190440).

Almost surely, 25470020643 is an apocalyptic number.

5470020643 is a deficient number, since it is larger than the sum of its proper divisors (2741117).

5470020643 is a wasteful number, since it uses less digits than its factorization.

5470020643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741116.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 5470020643 is about 73959.5879044766. The cubic root of 5470020643 is about 1761.9611235095.

The spelling of 5470020643 in words is "five billion, four hundred seventy million, twenty thousand, six hundred forty-three".

Divisors: 1 1997 2739119 5470020643