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20245003142 = 2713267127711
BaseRepresentation
bin10010110110101100…
…100011101110000110
31221020220112201101012
4102312230203232012
5312430210100032
613144520402222
71314455454530
oct226654435606
957226481335
1020245003142
11864985a561
123b10016372
131ba838ab00
14da0a60850
157d75146b2
hex4b6b23b86

20245003142 has 48 divisors (see below), whose sum is σ = 38141955072. Its totient is φ = 7889412960.

The previous prime is 20245003111. The next prime is 20245003151. The reversal of 20245003142 is 24130054202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94667 + ... + 222377.

It is an arithmetic number, because the mean of its divisors is an integer number (794624064).

Almost surely, 220245003142 is an apocalyptic number.

20245003142 is a deficient number, since it is larger than the sum of its proper divisors (17896951930).

20245003142 is a wasteful number, since it uses less digits than its factorization.

20245003142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127813 (or 127800 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20245003142 its reverse (24130054202), we get a palindrome (44375057344).

The spelling of 20245003142 in words is "twenty billion, two hundred forty-five million, three thousand, one hundred forty-two".

Divisors: 1 2 7 13 14 26 67 91 134 169 182 338 469 871 938 1183 1742 2366 6097 11323 12194 22646 79261 127711 158522 255422 893977 1660243 1787954 3320486 8556637 11621701 17113274 21583159 23243402 43166318 59896459 111236281 119792918 151082113 222472562 302164226 778653967 1446071653 1557307934 2892143306 10122501571 20245003142