Search a number
-
+
76878906072 = 23331103331863
BaseRepresentation
bin100011110011001010…
…1110000001011011000
321100102211020002000120
41013212111300023120
52224421444443242
655152341433240
75361062630253
oct1074625601330
9240384202016
1076878906072
112a671158011
1212a9670b820
137332632787
143a1445009a
151eee4aa1ec
hex11e65702d8

76878906072 has 32 divisors (see below), whose sum is σ = 198397178880. Its totient is φ = 24799646880.

The previous prime is 76878906061. The next prime is 76878906089. The reversal of 76878906072 is 27060987867.

It is a junction number, because it is equal to n+sod(n) for n = 76878905997 and 76878906015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51665188 + ... + 51666675.

It is an arithmetic number, because the mean of its divisors is an integer number (6199911840).

Almost surely, 276878906072 is an apocalyptic number.

It is an amenable number.

76878906072 is an abundant number, since it is smaller than the sum of its proper divisors (121518272808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76878906072 is a wasteful number, since it uses less digits than its factorization.

76878906072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103331903 (or 103331899 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 76878906072 in words is "seventy-six billion, eight hundred seventy-eight million, nine hundred six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 103331863 206663726 309995589 413327452 619991178 826654904 1239982356 2479964712 3203287753 6406575506 9609863259 12813151012 19219726518 25626302024 38439453036 76878906072