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142406310522554 = 2132421320445333
BaseRepresentation
bin100000011000010010001101…
…100011010110111010111010
3200200012220120122000112002122
4200120102031203112322322
5122131141110443210204
61222512320024401242
741665342062200111
oct4030221543267272
9620186518015078
10142406310522554
11414141a4846421
1213b7b369316222
13615cb1bac2300
1427247060a0c78
15116e4acdd70be
hex81848d8d6eba

142406310522554 has 12 divisors (see below), whose sum is σ = 231304924488366. Its totient is φ = 65725989471792.

The previous prime is 142406310522551. The next prime is 142406310522601. The reversal of 142406310522554 is 455225013604241.

It can be written as a sum of positive squares in 3 ways, for example, as 94783406648329 + 47622903874225 = 9735677^2 + 6900935^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142406310522551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210660222329 + ... + 210660223004.

Almost surely, 2142406310522554 is an apocalyptic number.

142406310522554 is a deficient number, since it is larger than the sum of its proper divisors (88898613965812).

142406310522554 is a wasteful number, since it uses less digits than its factorization.

142406310522554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421320445361 (or 421320445348 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 142406310522554 in words is "one hundred forty-two trillion, four hundred six billion, three hundred ten million, five hundred twenty-two thousand, five hundred fifty-four".

Divisors: 1 2 13 26 169 338 421320445333 842640890666 5477165789329 10954331578658 71203155261277 142406310522554