Search a number
-
+
142201899 = 357412039
BaseRepresentation
bin10000111100111…
…01010000101011
3100220120121100000
420132131100223
5242400430044
622035514043
73344460540
oct1036352053
9326517300
10142201899
11732a6434
123b758923
13235cb648
1414c58bc7
15c73dd69
hex879d42b

142201899 has 48 divisors (see below), whose sum is σ = 249500160. Its totient is φ = 79237440.

The previous prime is 142201897. The next prime is 142201933. The reversal of 142201899 is 998102241.

142201899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142201899 - 21 = 142201897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142201897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68722 + ... + 70760.

It is an arithmetic number, because the mean of its divisors is an integer number (5197920).

Almost surely, 2142201899 is an apocalyptic number.

142201899 is a deficient number, since it is larger than the sum of its proper divisors (107298261).

142201899 is an equidigital number, since it uses as much as digits as its factorization.

142201899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 142201899 is about 11924.8437725616. The cubic root of 142201899 is about 521.9574876199.

The spelling of 142201899 in words is "one hundred forty-two million, two hundred one thousand, eight hundred ninety-nine".

Divisors: 1 3 7 9 21 27 41 63 81 123 189 243 287 369 567 861 1107 1701 2039 2583 3321 6117 7749 9963 14273 18351 23247 42819 55053 69741 83599 128457 165159 250797 385371 495477 585193 752391 1156113 1755579 2257173 3468339 5266737 6771519 15800211 20314557 47400633 142201899