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78072041040223 = 1312815693727397
BaseRepresentation
bin10001110000000110010000…
…010001011110100101011111
3101020102121120202221012100211
4101300012100101132211133
540213113020001241343
6434013444525033251
722305342646263436
oct2160062021364537
9336377522835324
1078072041040223
112297019191912a
12890aa746b5827
13347421485b9c9
14153c9c7c1a11d
15905c7633979d
hex47019045e95f

78072041040223 has 16 divisors (see below), whose sum is σ = 79086737996640. Its totient is φ = 77064657779200.

The previous prime is 78072041040209. The next prime is 78072041040277. The reversal of 78072041040223 is 32204014027087.

It is a cyclic number.

It is not a de Polignac number, because 78072041040223 - 29 = 78072041039711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78072041040283) 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, 19081761 + ... + 22809157.

It is an arithmetic number, because the mean of its divisors is an integer number (4942921124790).

Almost surely, 278072041040223 is an apocalyptic number.

78072041040223 is a deficient number, since it is larger than the sum of its proper divisors (1014696956417).

78072041040223 is a wasteful number, since it uses less digits than its factorization.

78072041040223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728378.

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 78072041040223 in words is "seventy-eight trillion, seventy-two billion, forty-one million, forty thousand, two hundred twenty-three".

Divisors: 1 131 281 569 36811 74539 159889 3727397 20945459 488289007 1047398557 2120888893 137209210967 277836444983 595969778933 78072041040223