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83954462768 = 2411477013993
BaseRepresentation
bin100111000110000010…
…0110111000000110000
322000200221010121002222
41032030010313000300
52333414320302033
6102322415300212
76031320105401
oct1161404670060
9260627117088
1083954462768
1132672118530
121433021a668
137bbc4a1507
1440c60379a8
1522b574b598
hex138c137030

83954462768 has 20 divisors (see below), whose sum is σ = 177449205768. Its totient is φ = 38161119360.

The previous prime is 83954462741. The next prime is 83954462771. The reversal of 83954462768 is 86726445938.

It is a self number, because there is not a number n which added to its sum of digits gives 83954462768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238506821 + ... + 238507172.

Almost surely, 283954462768 is an apocalyptic number.

83954462768 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

83954462768 is an abundant number, since it is smaller than the sum of its proper divisors (93494743000).

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

83954462768 is a wasteful number, since it uses less digits than its factorization.

83954462768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477014012 (or 477014006 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 62.

The spelling of 83954462768 in words is "eighty-three billion, nine hundred fifty-four million, four hundred sixty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 477013993 954027986 1908055972 3816111944 5247153923 7632223888 10494307846 20988615692 41977231384 83954462768