Search a number
-
+
142151707 = 232927349
BaseRepresentation
bin10000111100100…
…01000000011011
3100220111001111001
420132101000123
5242342323312
622034445431
73344161315
oct1036210033
9326431431
10142151707
1173271755
123b733877
13235b1849
1414c447b5
15c72e057
hex879101b

142151707 has 12 divisors (see below), whose sum is σ = 153644400. Its totient is φ = 131264672.

The previous prime is 142151683. The next prime is 142151729. The reversal of 142151707 is 707151241.

It is not a de Polignac number, because 142151707 - 215 = 142118939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142154707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15669 + ... + 23017.

It is an arithmetic number, because the mean of its divisors is an integer number (12803700).

Almost surely, 2142151707 is an apocalyptic number.

142151707 is a deficient number, since it is larger than the sum of its proper divisors (11492693).

142151707 is an equidigital number, since it uses as much as digits as its factorization.

142151707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7430 (or 7401 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 142151707 is about 11922.7390728809. The cubic root of 142151707 is about 521.8960698439.

The spelling of 142151707 in words is "one hundred forty-two million, one hundred fifty-one thousand, seven hundred seven".

Divisors: 1 23 29 667 841 7349 19343 169027 213121 4901783 6180509 142151707