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42015224354 = 221007612177
BaseRepresentation
bin100111001000010011…
…010111001000100010
311000110010001112121112
4213020103113020202
51142021344134404
631145044023322
73015114341315
oct471023271042
9130403045545
1042015224354
1116900553a14
128186991b42
133c6772a3cc
1420680aa97c
15115d8a556e
hex9c84d7222

42015224354 has 4 divisors (see below), whose sum is σ = 63022836534. Its totient is φ = 21007612176.

The previous prime is 42015224353. The next prime is 42015224393. The reversal of 42015224354 is 45342251024.

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

It can be written as a sum of positive squares in only one way, i.e., 36174138025 + 5841086329 = 190195^2 + 76427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42015224354.

It is not an unprimeable number, because it can be changed into a prime (42015224353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10503806087 + ... + 10503806090.

Almost surely, 242015224354 is an apocalyptic number.

42015224354 is a deficient number, since it is larger than the sum of its proper divisors (21007612180).

42015224354 is a wasteful number, since it uses less digits than its factorization.

42015224354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21007612179.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 42015224354 its reverse (45342251024), we get a palindrome (87357475378).

The spelling of 42015224354 in words is "forty-two billion, fifteen million, two hundred twenty-four thousand, three hundred fifty-four".

Divisors: 1 2 21007612177 42015224354