Search a number
-
+
3142605623 = 10932875211
BaseRepresentation
bin1011101101010000…
…0101101100110111
322010000100220110212
42323110011230313
522414001334443
61235500540035
7140606464343
oct27324055467
98100326425
103142605623
111372a12133
1273855161b
133b10c4871
1421b528623
15135d62618
hexbb505b37

3142605623 has 4 divisors (see below), whose sum is σ = 3145481928. Its totient is φ = 3139729320.

The previous prime is 3142605617. The next prime is 3142605649. The reversal of 3142605623 is 3265062413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3265062413 = 22131475401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3142605623 is a prime.

It is a super-2 number, since 2×31426056232 = 19751940203422436258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3142605623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142605523) 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, 1436513 + ... + 1438698.

It is an arithmetic number, because the mean of its divisors is an integer number (786370482).

Almost surely, 23142605623 is an apocalyptic number.

3142605623 is a deficient number, since it is larger than the sum of its proper divisors (2876305).

3142605623 is a wasteful number, since it uses less digits than its factorization.

3142605623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876304.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3142605623 is about 56058.9477514518. The cubic root of 3142605623 is about 1464.7492840923.

The spelling of 3142605623 in words is "three billion, one hundred forty-two million, six hundred five thousand, six hundred twenty-three".

Divisors: 1 1093 2875211 3142605623