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78056083188643 = 711150869026949
BaseRepresentation
bin10001101111110111011001…
…000111000110101110100011
3101020101002101122102100022211
4101233313121013012232203
540212332324244014033
6434002245232542551
722304236335630010
oct2157673107065643
9336332348370284
1078056083188643
112296444305103a
1289079603b1a57
133472870742191
14153bd126da707
159056403bc2cd
hex46fdd91c6ba3

78056083188643 has 4 divisors (see below), whose sum is σ = 89206952215600. Its totient is φ = 66905214161688.

The previous prime is 78056083188539. The next prime is 78056083188649. The reversal of 78056083188643 is 34688138065087.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 78056083188643 - 241 = 75857059933091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78056083188649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5575434513468 + ... + 5575434513481.

It is an arithmetic number, because the mean of its divisors is an integer number (22301738053900).

Almost surely, 278056083188643 is an apocalyptic number.

78056083188643 is a deficient number, since it is larger than the sum of its proper divisors (11150869026957).

78056083188643 is a wasteful number, since it uses less digits than its factorization.

78056083188643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150869026956.

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 78056083188643 in words is "seventy-eight trillion, fifty-six billion, eighty-three million, one hundred eighty-eight thousand, six hundred forty-three".

Divisors: 1 7 11150869026949 78056083188643