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142354235550 = 2352949028237
BaseRepresentation
bin1000010010010011111…
…0010100000010011110
3111121102220121102210110
42010210332110002132
54313020141014200
6145221401150450
713166446015542
oct2044476240236
9447386542713
10142354235550
115541028915a
122370a18b426
1310568546397
146c66177a22
153a82757b50
hex2124f9409e

142354235550 has 24 divisors (see below), whose sum is σ = 353038504536. Its totient is φ = 37961129440.

The previous prime is 142354235539. The next prime is 142354235557. The reversal of 142354235550 is 55532453241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142354235499 and 142354235508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142354235557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474513969 + ... + 474514268.

It is an arithmetic number, because the mean of its divisors is an integer number (14709937689).

Almost surely, 2142354235550 is an apocalyptic number.

142354235550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142354235550 is an abundant number, since it is smaller than the sum of its proper divisors (210684268986).

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

142354235550 is a wasteful number, since it uses less digits than its factorization.

142354235550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949028252 (or 949028247 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 142354235550 its reverse (55532453241), we get a palindrome (197886688791).

The spelling of 142354235550 in words is "one hundred forty-two billion, three hundred fifty-four million, two hundred thirty-five thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 949028237 1898056474 2847084711 4745141185 5694169422 9490282370 14235423555 23725705925 28470847110 47451411850 71177117775 142354235550