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142210121306 = 21142531519891
BaseRepresentation
bin1000010001110001100…
…0100011111001011010
3111121001212102200012212
42010130120203321122
54312221242340211
6145155212235122
713163046041441
oct2043430437132
9447055380185
10142210121306
11553469a6a80
1223689a6baa2
1310544728496
146c50d81d58
153a74c8c38b
hex211c623e5a

142210121306 has 16 divisors (see below), whose sum is σ = 232762340448. Its totient is φ = 64625722800.

The previous prime is 142210121257. The next prime is 142210121329. The reversal of 142210121306 is 603121012241.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 666380 + ... + 853511.

It is an arithmetic number, because the mean of its divisors is an integer number (14547646278).

Almost surely, 2142210121306 is an apocalyptic number.

142210121306 is a deficient number, since it is larger than the sum of its proper divisors (90552219142).

142210121306 is a wasteful number, since it uses less digits than its factorization.

142210121306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524157.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 142210121306 its reverse (603121012241), we get a palindrome (745331133547).

The spelling of 142210121306 in words is "one hundred forty-two billion, two hundred ten million, one hundred twenty-one thousand, three hundred six".

Divisors: 1 2 11 22 4253 8506 46783 93566 1519891 3039782 16718801 33437602 6464096423 12928192846 71105060653 142210121306