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142963102 = 271481551
BaseRepresentation
bin10001000010101…
…11000110011110
3100222000021111201
420201113012132
5243044304402
622104110114
73354111022
oct1041270636
9328007451
10142963102
1173776327
123ba6533a
1323806c69
1414db6382
15c83e687
hex885719e

142963102 has 4 divisors (see below), whose sum is σ = 214444656. Its totient is φ = 71481550.

The previous prime is 142963091. The next prime is 142963109. The reversal of 142963102 is 201369241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201369241 = 361755673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142963109) by changing a digit.

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 as a sum of consecutive naturals, namely, 35740774 + ... + 35740777.

It is an arithmetic number, because the mean of its divisors is an integer number (53611164).

Almost surely, 2142963102 is an apocalyptic number.

142963102 is a deficient number, since it is larger than the sum of its proper divisors (71481554).

142963102 is an equidigital number, since it uses as much as digits as its factorization.

142963102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71481553.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 142963102 is about 11956.7178606840. The cubic root of 142963102 is about 522.8871722656.

The spelling of 142963102 in words is "one hundred forty-two million, nine hundred sixty-three thousand, one hundred two".

Divisors: 1 2 71481551 142963102