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142365215601023 = 17250315581214733
BaseRepresentation
bin100000010111101011111100…
…000110101011000101111111
3200200001222111122200012121212
4200113223330012223011333
5122130002430143213043
61222441402133515035
741662355521134212
oct4027537406530577
9620058448605555
10142365215601023
11413a8826831658
1213b733ba7a2a7b
136158c9cc497ac
142722728317779
15116d3a521e018
hex817afc1ab17f

142365215601023 has 16 divisors (see below), whose sum is σ = 150810244393536. Its totient is φ = 133928039185920.

The previous prime is 142365215601013. The next prime is 142365215601031. The reversal of 142365215601023 is 320106512563241.

It is a cyclic number.

It is not a de Polignac number, because 142365215601023 - 28 = 142365215600767 is a prime.

It is a super-2 number, since 2×1423652156010232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142365215601013) 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, 662879765 + ... + 663094497.

It is an arithmetic number, because the mean of its divisors is an integer number (9425640274596).

Almost surely, 2142365215601023 is an apocalyptic number.

142365215601023 is a deficient number, since it is larger than the sum of its proper divisors (8445028792513).

142365215601023 is a wasteful number, since it uses less digits than its factorization.

142365215601023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232834.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 142365215601023 in words is "one hundred forty-two trillion, three hundred sixty-five billion, two hundred fifteen million, six hundred one thousand, twenty-three".

Divisors: 1 17 2503 15581 42551 214733 264877 3650461 38999243 537476699 662987131 3345754873 9137103883 56877832841 8374424447119 142365215601023