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78050825007 = 3245271060747
BaseRepresentation
bin100100010110000110…
…0010001001100101111
321110110111101201120120
41020230030101030233
52234322002400012
655504524020023
75432113031451
oct1105414211457
9243414351516
1078050825007
1130112724061
1213163091613
13748b37452c
143ac5d502d1
15206c2ea58c
hex122c31132f

78050825007 has 8 divisors (see below), whose sum is σ = 104072107776. Its totient is φ = 52031712792.

The previous prime is 78050825003. The next prime is 78050825077. The reversal of 78050825007 is 70052805087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78050825007 - 22 = 78050825003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78050825007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78050825003) 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, 456793 + ... + 603954.

It is an arithmetic number, because the mean of its divisors is an integer number (13009013472).

Almost surely, 278050825007 is an apocalyptic number.

78050825007 is a deficient number, since it is larger than the sum of its proper divisors (26021282769).

78050825007 is a wasteful number, since it uses less digits than its factorization.

78050825007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085277.

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 78050825007 in words is "seventy-eight billion, fifty million, eight hundred twenty-five thousand, seven".

Divisors: 1 3 24527 73581 1060747 3182241 26016941669 78050825007