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142515210221042 = 2797169912580301
BaseRepresentation
bin100000011001110111101000…
…011110101111010111110010
3200200121022200001000101112212
4200121313220132233113302
5122134432122304033132
61223034330031052122
742006245523310331
oct4031675036572762
9620538601011485
10142515210221042
11414563a789573a
1213b9849b671042
13616a185364219
142729ab70a7d18
1511722335d95b2
hex819de87af5f2

142515210221042 has 16 divisors (see below), whose sum is σ = 216481836816000. Its totient is φ = 70354623253200.

The previous prime is 142515210221023. The next prime is 142515210221101. The reversal of 142515210221042 is 240122012515241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038292 + ... + 17618592.

It is an arithmetic number, because the mean of its divisors is an integer number (13530114801000).

Almost surely, 2142515210221042 is an apocalyptic number.

142515210221042 is a deficient number, since it is larger than the sum of its proper divisors (73966626594958).

142515210221042 is a wasteful number, since it uses less digits than its factorization.

142515210221042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652081.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 142515210221042 its reverse (240122012515241), we get a palindrome (382637222736283).

The spelling of 142515210221042 in words is "one hundred forty-two trillion, five hundred fifteen billion, two hundred ten million, two hundred twenty-one thousand, forty-two".

Divisors: 1 2 79 158 71699 143398 5664221 11328442 12580301 25160602 993843779 1987687558 901995001399 1803990002798 71257605110521 142515210221042