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30202341142 = 215101170571
BaseRepresentation
bin11100001000001100…
…110010011100010110
32212221212000220020111
4130020030302130112
5443323244404032
621512540553234
72116304443501
oct341014623426
985855026214
1030202341142
1111899485a16
125a2a85281a
132b0428bb9c
14166727a138
15bbb796c47
hex708332716

30202341142 has 4 divisors (see below), whose sum is σ = 45303511716. Its totient is φ = 15101170570.

The previous prime is 30202341101. The next prime is 30202341149. The reversal of 30202341142 is 24114320203.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202341149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7550585284 + ... + 7550585287.

It is an arithmetic number, because the mean of its divisors is an integer number (11325877929).

Almost surely, 230202341142 is an apocalyptic number.

30202341142 is a deficient number, since it is larger than the sum of its proper divisors (15101170574).

30202341142 is a wasteful number, since it uses less digits than its factorization.

30202341142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101170573.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30202341142 its reverse (24114320203), we get a palindrome (54316661345).

The spelling of 30202341142 in words is "thirty billion, two hundred two million, three hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 15101170571 30202341142