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142189010 = 2558724223
BaseRepresentation
bin10000111100110…
…10000111010010
3100220112221122122
420132122013102
5242400022020
622035334242
73344405135
oct1036320722
9326487578
10142189010
1173297787
123b751382
13235c5812
1414c5421c
15c73a125
hex879a1d2

142189010 has 16 divisors (see below), whose sum is σ = 256386816. Its totient is φ = 56776368.

The previous prime is 142189009. The next prime is 142189057. The reversal of 142189010 is 10981241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6242 + ... + 17981.

It is an arithmetic number, because the mean of its divisors is an integer number (16024176).

Almost surely, 2142189010 is an apocalyptic number.

142189010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142189010 is a deficient number, since it is larger than the sum of its proper divisors (114197806).

142189010 is a wasteful number, since it uses less digits than its factorization.

142189010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24817.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 142189010 is about 11924.3033339479. The cubic root of 142189010 is about 521.9417172882.

The spelling of 142189010 in words is "one hundred forty-two million, one hundred eighty-nine thousand, ten".

Divisors: 1 2 5 10 587 1174 2935 5870 24223 48446 121115 242230 14218901 28437802 71094505 142189010