Search a number
-
+
76837346384128 = 2811612339192089
BaseRepresentation
bin10001011110001000010110…
…101111001001100100000000
3101002001120121210002221112121
4101132020112233021210000
540032400341133243003
6431230331205334024
722120213034001511
oct2136102657114400
9332046553087477
1076837346384128
1122534598985440
12874b713a07314
1333b496639c5c5
1414d8d3998aa08
158d3ab07d5cbd
hex45e216bc9900

76837346384128 has 288 divisors, whose sum is σ = 171058164076800. Its totient is φ = 34152490598400.

The previous prime is 76837346384119. The next prime is 76837346384131. The reversal of 76837346384128 is 82148364373867.

It is a super-2 number, since 2×768373463841282 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 36781878508 + ... + 36781880596.

It is an arithmetic number, because the mean of its divisors is an integer number (593951958600).

Almost surely, 276837346384128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76837346384128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85529082038400).

76837346384128 is an abundant number, since it is smaller than the sum of its proper divisors (94220817692672).

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

76837346384128 is a wasteful number, since it uses less digits than its factorization.

76837346384128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329 (or 3315 counting only the distinct ones).

The product of its digits is 780337152, while the sum is 70.

The spelling of 76837346384128 in words is "seventy-six trillion, eight hundred thirty-seven billion, three hundred forty-six million, three hundred eighty-four thousand, one hundred twenty-eight".