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83077905452 = 2237561337199
BaseRepresentation
bin100110101011111010…
…1000011110000101100
321221102211201212112012
41031113311003300230
52330120420433302
6102055423500352
76000514354613
oct1152765036054
9257384655465
1083077905452
1132262347aa3
12141267576b8
137aac9c5249
14404186087a
152263800a52
hex1357d43c2c

83077905452 has 12 divisors (see below), whose sum is σ = 149315695200. Its totient is φ = 40416278256.

The previous prime is 83077905451. The next prime is 83077905509. The reversal of 83077905452 is 25450977038.

It is a self number, because there is not a number n which added to its sum of digits gives 83077905452.

It is not an unprimeable number, because it can be changed into a prime (83077905451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 280668452 + ... + 280668747.

It is an arithmetic number, because the mean of its divisors is an integer number (12442974600).

Almost surely, 283077905452 is an apocalyptic number.

It is an amenable number.

83077905452 is a deficient number, since it is larger than the sum of its proper divisors (66237789748).

83077905452 is a wasteful number, since it uses less digits than its factorization.

83077905452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561337240 (or 561337238 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 83077905452 in words is "eighty-three billion, seventy-seven million, nine hundred five thousand, four hundred fifty-two".

Divisors: 1 2 4 37 74 148 561337199 1122674398 2245348796 20769476363 41538952726 83077905452