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142121012313041 = 3722794717868197
BaseRepresentation
bin100000010100001000100000…
…011101000011101111010001
3200122012122011201002211111022
4200110020200131003233101
5122112002313123004131
61222133254113525225
741635622113342406
oct4024104035035721
9618178151084438
10142121012313041
11413142013aa9a3
1213b34007573815
13613bc52aba918
14271499d7182ad
151166d6128437b
hex814220743bd1

142121012313041 has 16 divisors (see below), whose sum is σ = 146759943963456. Its totient is φ = 137525357952576.

The previous prime is 142121012313013. The next prime is 142121012313079. The reversal of 142121012313041 is 140313210121241.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142121012313041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142121012313041.

It is not an unprimeable number, because it can be changed into a prime (142121012310041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980246 + ... + 16887951.

It is an arithmetic number, because the mean of its divisors is an integer number (9172496497716).

Almost surely, 2142121012313041 is an apocalyptic number.

It is an amenable number.

142121012313041 is a deficient number, since it is larger than the sum of its proper divisors (4638931650415).

142121012313041 is a wasteful number, since it uses less digits than its factorization.

142121012313041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17869408.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 142121012313041 its reverse (140313210121241), we get a palindrome (282434222434282).

The spelling of 142121012313041 in words is "one hundred forty-two trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, forty-one".

Divisors: 1 37 227 947 8399 35039 214969 7953853 17868197 661123289 4056080719 16921182559 150074986603 626083754683 3841108440893 142121012313041