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83169191340 = 223451931101863
BaseRepresentation
bin100110101110101000…
…1010010010110101100
321221200012111200020000
41031131101102112230
52330312303110330
6102112444224300
76003003314334
oct1153521222654
9257605450200
1083169191340
11322a9927484
121415123b090
137ac58a7571
14404da240c4
15226b833560
hex135d4525ac

83169191340 has 480 divisors, whose sum is σ = 286634557440. Its totient is φ = 20108736000.

The previous prime is 83169191317. The next prime is 83169191351. The reversal of 83169191340 is 4319196138.

It is a super-2 number, since 2×831691913402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 96371749 + ... + 96372611.

It is an arithmetic number, because the mean of its divisors is an integer number (597155328).

Almost surely, 283169191340 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 83169191340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143317278720).

83169191340 is an abundant number, since it is smaller than the sum of its proper divisors (203465366100).

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

83169191340 is a wasteful number, since it uses less digits than its factorization.

83169191340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 83169191340 in words is "eighty-three billion, one hundred sixty-nine million, one hundred ninety-one thousand, three hundred forty".