Search a number
-
+
142031110 = 25135232089
BaseRepresentation
bin10000111011100…
…11100100000110
3100220020221001111
420131303210012
5242324443420
622032115234
73343146604
oct1035634406
9326227044
10142031110
117319a091
123b695b1a
132356b9a0
1414c12874
15c70845a
hex8773906

142031110 has 32 divisors (see below), whose sum is σ = 275980320. Its totient is φ = 52316928.

The previous prime is 142031081. The next prime is 142031143. The reversal of 142031110 is 11130241.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 66946 + ... + 69034.

It is an arithmetic number, because the mean of its divisors is an integer number (8624385).

Almost surely, 2142031110 is an apocalyptic number.

142031110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142031110 is a deficient number, since it is larger than the sum of its proper divisors (133949210).

142031110 is a wasteful number, since it uses less digits than its factorization.

142031110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 142031110 is about 11917.6805629283. The cubic root of 142031110 is about 521.7484413968.

Adding to 142031110 its reverse (11130241), we get a palindrome (153161351).

The spelling of 142031110 in words is "one hundred forty-two million, thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 13 26 65 130 523 1046 2089 2615 4178 5230 6799 10445 13598 20890 27157 33995 54314 67990 135785 271570 1092547 2185094 5462735 10925470 14203111 28406222 71015555 142031110