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142002142401 = 3731295373867
BaseRepresentation
bin1000010000111111111…
…1001011110011000001
3111120112101002020210110
42010033333023303001
54311310022024101
6145122422421533
713154642203110
oct2041777136301
9446471066713
10142002142401
115524a564389
12236302918a9
1310510609542
146c314c3c77
153a618a8cd6
hex210ffcbcc1

142002142401 has 32 divisors (see below), whose sum is σ = 223443017728. Its totient is φ = 78498875520.

The previous prime is 142002142397. The next prime is 142002142421. The reversal of 142002142401 is 104241200241.

It is not a de Polignac number, because 142002142401 - 22 = 142002142397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (142002142421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1885470 + ... + 1959336.

It is an arithmetic number, because the mean of its divisors is an integer number (6982594304).

Almost surely, 2142002142401 is an apocalyptic number.

It is an amenable number.

142002142401 is a deficient number, since it is larger than the sum of its proper divisors (81440875327).

142002142401 is a wasteful number, since it uses less digits than its factorization.

142002142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76861.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 142002142401 its reverse (104241200241), we get a palindrome (246243342642).

The spelling of 142002142401 in words is "one hundred forty-two billion, two million, one hundred forty-two thousand, four hundred one".

Divisors: 1 3 7 21 31 93 217 651 2953 8859 20671 62013 73867 91543 221601 274629 517069 640801 1551207 1922403 2289877 6869631 16029139 48087417 218129251 654387753 1526904757 4580714271 6762006781 20286020343 47334047467 142002142401