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20015015414 = 210397160269
BaseRepresentation
bin10010101000111111…
…001110010111110110
31220122212210010112012
4102220333032113312
5311442320443124
613110023124222
71305663552422
oct225077162766
956585703465
1020015015414
118540a55359
123a66ba3672
131b6c8342b4
14d7c2b3b82
157c2234e0e
hex4a8fce5f6

20015015414 has 8 divisors (see below), whose sum is σ = 30314004240. Its totient is φ = 9910347336.

The previous prime is 20015015413. The next prime is 20015015417. The reversal of 20015015414 is 41451051002.

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

It is a super-3 number, since 3×200150154143 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20015015414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20015015413) 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, 48579929 + ... + 48580340.

It is an arithmetic number, because the mean of its divisors is an integer number (3789250530).

Almost surely, 220015015414 is an apocalyptic number.

20015015414 is a deficient number, since it is larger than the sum of its proper divisors (10298988826).

20015015414 is a wasteful number, since it uses less digits than its factorization.

20015015414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97160374.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 20015015414 its reverse (41451051002), we get a palindrome (61466066416).

The spelling of 20015015414 in words is "twenty billion, fifteen million, fifteen thousand, four hundred fourteen".

Divisors: 1 2 103 206 97160269 194320538 10007507707 20015015414