Search a number
-
+
2142303545 = 5467991571
BaseRepresentation
bin111111110110000…
…1111010100111001
312112022010021222202
41333230033110321
513341412203140
6552324555545
7104042164634
oct17754172471
95468107882
102142303545
119aa3023a8
124b9552bb5
13281ab0045
1416473cc1b
15c8121915
hex7fb0f539

2142303545 has 8 divisors (see below), whose sum is σ = 2571341760. Its totient is φ = 1713457840.

The previous prime is 2142303521. The next prime is 2142303563. The reversal of 2142303545 is 5453032412.

It is a happy number.

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

It is not a de Polignac number, because 2142303545 - 26 = 2142303481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22391 + ... + 69180.

It is an arithmetic number, because the mean of its divisors is an integer number (321417720).

Almost surely, 22142303545 is an apocalyptic number.

It is an amenable number.

2142303545 is a deficient number, since it is larger than the sum of its proper divisors (429038215).

2142303545 is an equidigital number, since it uses as much as digits as its factorization.

2142303545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96255.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2142303545 is about 46285.0250621084. The cubic root of 2142303545 is about 1289.1209573279.

Adding to 2142303545 its reverse (5453032412), we get a palindrome (7595335957).

The spelling of 2142303545 in words is "two billion, one hundred forty-two million, three hundred three thousand, five hundred forty-five".

Divisors: 1 5 4679 23395 91571 457855 428460709 2142303545