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78965072150 = 2521579301443
BaseRepresentation
bin100100110001010101…
…1110110000100010110
321112211012201021212212
41021202223312010112
52243210024302100
6100135343313422
75463554016146
oct1114253660426
9245735637785
1078965072150
11305417a7508
12133792ab872
1375a58b8983
143b71538926
1520c26dd635
hex1262af6116

78965072150 has 12 divisors (see below), whose sum is σ = 146875034292. Its totient is φ = 31586028840.

The previous prime is 78965072117. The next prime is 78965072159. The reversal of 78965072150 is 5127056987.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 1579301443 = 78965072150 / (7 + 8 + 9 + 6 + 5 + 0 + 7 + 2 + 1 + 5 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78965072159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 789650672 + ... + 789650771.

It is an arithmetic number, because the mean of its divisors is an integer number (12239586191).

Almost surely, 278965072150 is an apocalyptic number.

78965072150 is a deficient number, since it is larger than the sum of its proper divisors (67909962142).

78965072150 is a wasteful number, since it uses less digits than its factorization.

78965072150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579301455 (or 1579301450 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 78965072150 in words is "seventy-eight billion, nine hundred sixty-five million, seventy-two thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 1579301443 3158602886 7896507215 15793014430 39482536075 78965072150