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231302427142 = 21711360203651
BaseRepresentation
bin1101011101101010110…
…0101111001000000110
3211010000212022202000211
43113122230233020012
512242201410132032
6254131525430034
722465614122353
oct3273254571006
9733025282024
10231302427142
118a10520aaa6
12389b286b31a
1318a7248bc07
14b2a34bd62a
15603b5bc747
hex35dab2f206

231302427142 has 16 divisors (see below), whose sum is σ = 370613681712. Its totient is φ = 107884940800.

The previous prime is 231302427137. The next prime is 231302427149. The reversal of 231302427142 is 241724203132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302427149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30097984 + ... + 30105667.

It is an arithmetic number, because the mean of its divisors is an integer number (23163355107).

Almost surely, 2231302427142 is an apocalyptic number.

231302427142 is a deficient number, since it is larger than the sum of its proper divisors (139311254570).

231302427142 is a wasteful number, since it uses less digits than its factorization.

231302427142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60203783.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 231302427142 in words is "two hundred thirty-one billion, three hundred two million, four hundred twenty-seven thousand, one hundred forty-two".

Divisors: 1 2 17 34 113 226 1921 3842 60203651 120407302 1023462067 2046924134 6803012563 13606025126 115651213571 231302427142