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76531630084 = 227134189157367
BaseRepresentation
bin100011101000110100…
…1000000000000000100
321022112121202121220221
41013101221000000010
52223214044130314
655054054234124
75346345056650
oct1072151000004
9238477677827
1076531630084
112a503123468
12129ba355944
1372a86c1420
1439c0291a60
151ecdc5d824
hex11d1a40004

76531630084 has 192 divisors, whose sum is σ = 172310906880. Its totient is φ = 28940820480.

The previous prime is 76531630079. The next prime is 76531630121. The reversal of 76531630084 is 48003613567.

It is a self number, because there is not a number n which added to its sum of digits gives 76531630084.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208532869 + ... + 208533235.

It is an arithmetic number, because the mean of its divisors is an integer number (897452640).

Almost surely, 276531630084 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 76531630084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86155453440).

76531630084 is an abundant number, since it is smaller than the sum of its proper divisors (95779276796).

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

76531630084 is a wasteful number, since it uses less digits than its factorization.

76531630084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 76531630084 in words is "seventy-six billion, five hundred thirty-one million, six hundred thirty thousand, eighty-four".