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78328276301 = 1152171919009
BaseRepresentation
bin100100011110010111…
…0101010010101001101
321111011211110201012102
41020330232222111031
52240404014320201
655552234444445
75442022235402
oct1107456522515
9244154421172
1078328276301
11302452a7350
121321bb93725
1375039a8ab2
143b10b342a9
15208685326b
hex123cbaa54d

78328276301 has 16 divisors (see below), whose sum is σ = 85736620800. Its totient is φ = 70968268800.

The previous prime is 78328276249. The next prime is 78328276309. The reversal of 78328276301 is 10367282387.

It is a de Polignac number, because none of the positive numbers 2k-78328276301 is a prime.

It is a super-2 number, since 2×783282763012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78328276309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111085 + ... + 4130093.

It is an arithmetic number, because the mean of its divisors is an integer number (5358538800).

Almost surely, 278328276301 is an apocalyptic number.

It is an amenable number.

78328276301 is a deficient number, since it is larger than the sum of its proper divisors (7408344499).

78328276301 is a wasteful number, since it uses less digits than its factorization.

78328276301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 78328276301 in words is "seventy-eight billion, three hundred twenty-eight million, two hundred seventy-six thousand, three hundred one".

Divisors: 1 11 521 719 5731 7909 19009 209099 374599 4120589 9903689 13667471 108940579 150342181 7120752391 78328276301