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142121111200013 = 11123941104243963
BaseRepresentation
bin100000010100001000100110…
…010110010010000100001101
3200122012122102121011210220202
4200110020212112102010031
5122112003013431400023
61222133312005223245
741635624424020541
oct4024104626220415
9618178377153822
10142121111200013
1141314252201170
1213b34034701b25
13613bc6a43191a
1427149ac8d9a21
151166d69cb9128
hex81422659210d

142121111200013 has 8 divisors (see below), whose sum is σ = 155042464633056. Its totient is φ = 129199966502800.

The previous prime is 142121111200007. The next prime is 142121111200027. The reversal of 142121111200013 is 310002111121241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142121111200013 - 216 = 142121111134477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142121111200063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50758631 + ... + 53485332.

It is an arithmetic number, because the mean of its divisors is an integer number (19380308079132).

Almost surely, 2142121111200013 is an apocalyptic number.

It is an amenable number.

142121111200013 is a deficient number, since it is larger than the sum of its proper divisors (12921353433043).

142121111200013 is a wasteful number, since it uses less digits than its factorization.

142121111200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104367915.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 142121111200013 its reverse (310002111121241), we get a palindrome (452123222321254).

The spelling of 142121111200013 in words is "one hundred forty-two trillion, one hundred twenty-one billion, one hundred eleven million, two hundred thousand, thirteen".

Divisors: 1 11 123941 1363351 104243963 1146683593 12920101018183 142121111200013