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142507618212 = 22332801362051
BaseRepresentation
bin1000010010111000011…
…1011010111110100100
3111121211121020002020210
42010232013122332210
54313323422240322
6145244520455420
713203320524401
oct2045607327644
9447747202223
10142507618212
1155489920893
122375161a570
131059125ab5b
146c7c6a32a8
153a90e5470c
hex212e1dafa4

142507618212 has 24 divisors (see below), whose sum is σ = 332528831712. Its totient is φ = 47500960000.

The previous prime is 142507618189. The next prime is 142507618219. The reversal of 142507618212 is 212816705241.

142507618212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142507618219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212587 + ... + 574637.

It is an arithmetic number, because the mean of its divisors is an integer number (13855367988).

Almost surely, 2142507618212 is an apocalyptic number.

142507618212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142507618212 is an abundant number, since it is smaller than the sum of its proper divisors (190021213500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142507618212 is a wasteful number, since it uses less digits than its factorization.

142507618212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394859 (or 394857 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 142507618212 in words is "one hundred forty-two billion, five hundred seven million, six hundred eighteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 32801 65602 98403 131204 196806 362051 393612 724102 1086153 1448204 2172306 4344612 11875634851 23751269702 35626904553 47502539404 71253809106 142507618212