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83080002402 = 236411389809
BaseRepresentation
bin100110101011111110…
…1000011101101100010
321221102222200102000000
41031113331003231202
52330121440034102
6102055540440430
76000541240305
oct1152775035542
9257388612000
1083080002402
113226354a511
12141273a9116
137ab027a847
144041c48b3c
152263ab701c
hex1357f43b62

83080002402 has 56 divisors (see below), whose sum is σ = 191401853580. Its totient is φ = 27017867520.

The previous prime is 83080002373. The next prime is 83080002403. The reversal of 83080002402 is 20420008038.

It can be written as a sum of positive squares in 2 ways, for example, as 51966217521 + 31113784881 = 227961^2 + 176391^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (83080002403) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 635127 + ... + 754682.

Almost surely, 283080002402 is an apocalyptic number.

83080002402 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

83080002402 is an abundant number, since it is smaller than the sum of its proper divisors (108321851178).

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

83080002402 is a wasteful number, since it uses less digits than its factorization.

83080002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389870 (or 1389855 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 83080002402 in words is "eighty-three billion, eighty million, two thousand, four hundred two".

Divisors: 1 2 3 6 9 18 27 41 54 81 82 123 162 243 246 369 486 729 738 1107 1458 2214 3321 6642 9963 19926 29889 59778 1389809 2779618 4169427 8338854 12508281 25016562 37524843 56982169 75049686 112574529 113964338 170946507 225149058 337723587 341893014 512839521 675447174 1013170761 1025679042 1538518563 2026341522 3077037126 4615555689 9231111378 13846667067 27693334134 41540001201 83080002402