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83398380030 = 238574143103
BaseRepresentation
bin100110110101011101…
…1100100100111111110
321222021011202200000000
41031222323210213332
52331244441130110
6102151312415130
76011455351050
oct1155273444776
9258234680000
1083398380030
1132407236319
12141b5b474a6
137b31211484
1440722438d0
152281a061c0
hex136aee49fe

83398380030 has 576 divisors, whose sum is σ = 272356051968. Its totient is φ = 17988687360.

The previous prime is 83398380019. The next prime is 83398380067. The reversal of 83398380030 is 3008389338.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 809692959 + ... + 809693061.

It is an arithmetic number, because the mean of its divisors is an integer number (472840368).

Almost surely, 283398380030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83398380030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136178025984).

83398380030 is an abundant number, since it is smaller than the sum of its proper divisors (188957671938).

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

83398380030 is a wasteful number, since it uses less digits than its factorization.

83398380030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 83398380030 in words is "eighty-three billion, three hundred ninety-eight million, three hundred eighty thousand, thirty".