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142402475454 = 2323733745909
BaseRepresentation
bin1000010010011111011…
…0010101010110111110
3111121120021101021111120
42010213312111112332
54313120013203304
6145230243131410
713200603032631
oct2044766252676
9447507337446
10142402475454
1155435537548
1223722373b66
13105755365c5
146c6c733c18
153a86ad60d9
hex2127d955be

142402475454 has 8 divisors (see below), whose sum is σ = 284804950920. Its totient is φ = 47467491816.

The previous prime is 142402475437. The next prime is 142402475483. The reversal of 142402475454 is 454574204241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

142402475454 is an admirable number.

It is a super-2 number, since 2×1424024754542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11866872949 + ... + 11866872960.

It is an arithmetic number, because the mean of its divisors is an integer number (35600618865).

Almost surely, 2142402475454 is an apocalyptic number.

142402475454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142402475454 is a wasteful number, since it uses less digits than its factorization.

142402475454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733745914.

The product of its (nonzero) digits is 716800, while the sum is 42.

Adding to 142402475454 its reverse (454574204241), we get a palindrome (596976679695).

The spelling of 142402475454 in words is "one hundred forty-two billion, four hundred two million, four hundred seventy-five thousand, four hundred fifty-four".

Divisors: 1 2 3 6 23733745909 47467491818 71201237727 142402475454