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20024120519 = 13101139109717
BaseRepresentation
bin10010101001100001…
…111101010011000111
31220200111220201101022
4102221201331103013
5312002133324034
613110550221355
71306134134054
oct225141752307
956614821338
1020024120519
118546104137
123a6a05485b
131b716a1730
14d7d5a402b
157c2e32b2e
hex4a987d4c7

20024120519 has 16 divisors (see below), whose sum is σ = 21934822560. Its totient is φ = 18168969600.

The previous prime is 20024120483. The next prime is 20024120561. The reversal of 20024120519 is 91502142002.

It is a cyclic number.

It is not a de Polignac number, because 20024120519 - 228 = 19755685063 is a prime.

It is a super-2 number, since 2×200241205192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024120569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127649 + ... + 237365.

It is an arithmetic number, because the mean of its divisors is an integer number (1370926410).

Almost surely, 220024120519 is an apocalyptic number.

20024120519 is a deficient number, since it is larger than the sum of its proper divisors (1910702041).

20024120519 is a wasteful number, since it uses less digits than its factorization.

20024120519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109970.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 20024120519 in words is "twenty billion, twenty-four million, one hundred twenty thousand, five hundred nineteen".

Divisors: 1 13 101 139 1313 1807 14039 109717 182507 1426321 11081417 15250663 144058421 198258619 1540316963 20024120519