Search a number
-
+
42995367819 = 3231154105261
BaseRepresentation
bin101000000010101110…
…010011111110001011
311002222102100222200100
4220002232103332023
51201023303232234
631430215540443
73051315411405
oct500256237613
9132872328610
1042995367819
1117263845238
1283bb08a723
134092804561
14211c329b75
1511b9963399
hexa02b93f8b

42995367819 has 12 divisors (see below), whose sum is σ = 64107788992. Its totient is φ = 27738946800.

The previous prime is 42995367809. The next prime is 42995367823. The reversal of 42995367819 is 91876359924.

42995367819 is a `hidden beast` number, since 4 + 2 + 99 + 536 + 7 + 8 + 1 + 9 = 666.

42995367819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42995367819 - 28 = 42995367563 is a prime.

It is a super-2 number, since 2×429953678192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42995367809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77052352 + ... + 77052909.

Almost surely, 242995367819 is an apocalyptic number.

42995367819 is a deficient number, since it is larger than the sum of its proper divisors (21112421173).

42995367819 is a wasteful number, since it uses less digits than its factorization.

42995367819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154105298 (or 154105295 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 42995367819 in words is "forty-two billion, nine hundred ninety-five million, three hundred sixty-seven thousand, eight hundred nineteen".

Divisors: 1 3 9 31 93 279 154105261 462315783 1386947349 4777263091 14331789273 42995367819