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142565052331 = 1317379078017
BaseRepresentation
bin1000010011000110001…
…0100000111110101011
3111121222121022001001101
42010301202200332223
54313433123133311
6145254331502231
713204615643662
oct2046142407653
9447877261041
10142565052331
11555092899a9
12237688b7977
13105a0119c40
146c86173dd9
153a95eebec1
hex21318a0fab

142565052331 has 16 divisors (see below), whose sum is σ = 154457853984. Its totient is φ = 130804959744.

The previous prime is 142565052313. The next prime is 142565052373. The reversal of 142565052331 is 133250565241.

It is a cyclic number.

It is not a de Polignac number, because 142565052331 - 215 = 142565019563 is a prime.

It is a super-2 number, since 2×1425650523312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142565052431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17778835 + ... + 17786851.

It is an arithmetic number, because the mean of its divisors is an integer number (9653615874).

Almost surely, 2142565052331 is an apocalyptic number.

142565052331 is a deficient number, since it is larger than the sum of its proper divisors (11892801653).

142565052331 is a wasteful number, since it uses less digits than its factorization.

142565052331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 142565052331 in words is "one hundred forty-two billion, five hundred sixty-five million, fifty-two thousand, three hundred thirty-one".

Divisors: 1 13 173 2249 7907 8017 102791 104221 1367911 1386941 17782843 18030233 63390419 824075447 10966542487 142565052331