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20016253274 = 283120579839
BaseRepresentation
bin10010101001000011…
…111100100101011010
31220122222010000112212
4102221003330211122
5311443130101044
613110105435122
71306010226353
oct225103744532
956588100485
1020016253274
118541720386
123a6749baa2
131b6cb78864
14d7c516d2a
157c23cba9e
hex4a90fc95a

20016253274 has 8 divisors (see below), whose sum is σ = 30386119680. Its totient is φ = 9887546716.

The previous prime is 20016253253. The next prime is 20016253277. The reversal of 20016253274 is 47235261002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20016253274.

It is not an unprimeable number, because it can be changed into a prime (20016253277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60289754 + ... + 60290085.

It is an arithmetic number, because the mean of its divisors is an integer number (3798264960).

Almost surely, 220016253274 is an apocalyptic number.

20016253274 is a deficient number, since it is larger than the sum of its proper divisors (10369866406).

20016253274 is a wasteful number, since it uses less digits than its factorization.

20016253274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120579924.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 20016253274 in words is "twenty billion, sixteen million, two hundred fifty-three thousand, two hundred seventy-four".

Divisors: 1 2 83 166 120579839 241159678 10008126637 20016253274