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20315006074 = 211191013891237
BaseRepresentation
bin10010111010110111…
…100110010001111010
31221102210021020100101
4102322313212101322
5313101120143244
613155501030014
71316265462646
oct227267462172
957383236311
1020315006074
118685322820
123b2b55530a
131bb9a2aa6c
14daa083c26
157dd7410d4
hex4bade647a

20315006074 has 64 divisors (see below), whose sum is σ = 35458300800. Its totient is φ = 8632224000.

The previous prime is 20315006039. The next prime is 20315006077. The reversal of 20315006074 is 47060051302.

It is not an unprimeable number, because it can be changed into a prime (20315006077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16422184 + ... + 16423420.

It is an arithmetic number, because the mean of its divisors is an integer number (554035950).

Almost surely, 220315006074 is an apocalyptic number.

20315006074 is a deficient number, since it is larger than the sum of its proper divisors (15143294726).

20315006074 is a wasteful number, since it uses less digits than its factorization.

20315006074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 20315006074 its reverse (47060051302), we get a palindrome (67375057376).

The spelling of 20315006074 in words is "twenty billion, three hundred fifteen million, six thousand, seventy-four".

Divisors: 1 2 11 19 22 38 101 202 209 389 418 778 1111 1237 1919 2222 2474 3838 4279 7391 8558 13607 14782 21109 23503 27214 39289 42218 47006 78578 81301 124937 162602 249874 258533 432179 481193 517066 746491 864358 962386 1374307 1492982 2373803 2748614 4747606 5293123 8211401 9142667 10586246 16422802 18285334 26111833 48600493 52223666 97200986 100569337 201138674 534605423 923409367 1069210846 1846818734 10157503037 20315006074