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20373075142 = 277731882561
BaseRepresentation
bin10010111110010101…
…000111010011000110
31221120211112110010121
4102332111013103012
5313211001401032
613205333412154
71320602165350
oct227625072306
957524473117
1020373075142
118705084992
123b46a9a05a
131bc8a7cb64
14db3a7c0d0
157e38b1a97
hex4be5474c6

20373075142 has 16 divisors (see below), whose sum is σ = 34970471712. Its totient is φ = 8720017920.

The previous prime is 20373075139. The next prime is 20373075187. The reversal of 20373075142 is 24157037302.

It is a junction number, because it is equal to n+sod(n) for n = 20373075098 and 20373075107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930459 + ... + 952102.

It is an arithmetic number, because the mean of its divisors is an integer number (2185654482).

Almost surely, 220373075142 is an apocalyptic number.

20373075142 is a deficient number, since it is larger than the sum of its proper divisors (14597396570).

20373075142 is a wasteful number, since it uses less digits than its factorization.

20373075142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883343.

The product of its (nonzero) digits is 35280, while the sum is 34.

It can be divided in two parts, 203730 and 75142, that added together give a palindrome (278872).

The spelling of 20373075142 in words is "twenty billion, three hundred seventy-three million, seventy-five thousand, one hundred forty-two".

Divisors: 1 2 7 14 773 1546 5411 10822 1882561 3765122 13177927 26355854 1455219653 2910439306 10186537571 20373075142