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142122041103 = 3713903486781
BaseRepresentation
bin1000010001011100100…
…0100011111100001111
3111120211201200201220010
42010113020203330033
54312031220303403
6145142344324303
713160626263030
oct2042710437417
9446751621803
10142122041103
1155301207019
1223664473693
131052c3c9313
146c433b4a87
153a6c18e603
hex2117223f0f

142122041103 has 16 divisors (see below), whose sum is σ = 216582941696. Its totient is φ = 81206586720.

The previous prime is 142122041081. The next prime is 142122041111. The reversal of 142122041103 is 301140221241.

It is not a de Polignac number, because 142122041103 - 212 = 142122037007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142122041103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142122041123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48573 + ... + 535353.

It is an arithmetic number, because the mean of its divisors is an integer number (13536433856).

Almost surely, 2142122041103 is an apocalyptic number.

142122041103 is a deficient number, since it is larger than the sum of its proper divisors (74460900593).

142122041103 is a wasteful number, since it uses less digits than its factorization.

142122041103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500694.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 142122041103 its reverse (301140221241), we get a palindrome (443262262344).

The spelling of 142122041103 in words is "one hundred forty-two billion, one hundred twenty-two million, forty-one thousand, one hundred three".

Divisors: 1 3 7 21 13903 41709 97321 291963 486781 1460343 3407467 10222401 6767716243 20303148729 47374013701 142122041103