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42014415421 = 118647441713
BaseRepresentation
bin100111001000010000…
…010001101000111101
311000110001112102222001
4213020100101220331
51142021142243141
631145014422301
73015104432026
oct471020215075
9130401472861
1042014415421
1116900051180
128186661991
133c67506154
142067d39c4d
15115d795a31
hex9c8411a3d

42014415421 has 8 divisors (see below), whose sum is σ = 45839312064. Its totient is φ = 38190419520.

The previous prime is 42014415419. The next prime is 42014415433. The reversal of 42014415421 is 12451441024.

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 42014415421 - 21 = 42014415419 is a prime.

It is a super-2 number, since 2×420144154212 (a number of 22 digits) 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 42014415421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42017415421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125740 + ... + 315973.

It is an arithmetic number, because the mean of its divisors is an integer number (5729914008).

Almost surely, 242014415421 is an apocalyptic number.

It is an amenable number.

42014415421 is a deficient number, since it is larger than the sum of its proper divisors (3824896643).

42014415421 is a wasteful number, since it uses less digits than its factorization.

42014415421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450371.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 42014415421 its reverse (12451441024), we get a palindrome (54465856445).

The spelling of 42014415421 in words is "forty-two billion, fourteen million, four hundred fifteen thousand, four hundred twenty-one".

Divisors: 1 11 8647 95117 441713 4858843 3819492311 42014415421