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1230155122143 = 31889217073429
BaseRepresentation
bin10001111001101010111…
…101011000010111011111
311100121020121220000221010
4101321222331120113133
5130123324202402033
62341043033310303
7154606251004023
oct21715275302737
94317217800833
101230155122143
11434784550742
1217a4b4565393
138c006b5324c
144377b3d2383
1521eec256863
hex11e6af585df

1230155122143 has 8 divisors (see below), whose sum is σ = 1641075130800. Its totient is φ = 819669264128.

The previous prime is 1230155122093. The next prime is 1230155122177. The reversal of 1230155122143 is 3412215510321.

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 1230155122143 - 210 = 1230155121119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230155122143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230155122043) 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, 108531048 + ... + 108542381.

It is an arithmetic number, because the mean of its divisors is an integer number (205134391350).

Almost surely, 21230155122143 is an apocalyptic number.

1230155122143 is a deficient number, since it is larger than the sum of its proper divisors (410920008657).

1230155122143 is a wasteful number, since it uses less digits than its factorization.

1230155122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217075321.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 1230155122143 in words is "one trillion, two hundred thirty billion, one hundred fifty-five million, one hundred twenty-two thousand, one hundred forty-three".

Divisors: 1 3 1889 5667 217073429 651220287 410051707381 1230155122143