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84985499430 = 23351337679767
BaseRepresentation
bin100111100100110000…
…1111100111100100110
322010100210012200112000
41033021201330330212
52343022241440210
6103013010110130
76066006553236
oct1171141747446
9263323180460
1084985499430
113305110a647
121457957b346
138024c87490
144182d43cc6
15232600dac0
hex13c987cf26

84985499430 has 256 divisors, whose sum is σ = 254424360960. Its totient is φ = 20048269824.

The previous prime is 84985499303. The next prime is 84985499441. The reversal of 84985499430 is 3499458948.

84985499430 is a `hidden beast` number, since 8 + 49 + 8 + 549 + 9 + 43 + 0 = 666.

It is a super-2 number, since 2×849854994302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8696407 + ... + 8706173.

It is an arithmetic number, because the mean of its divisors is an integer number (993845160).

Almost surely, 284985499430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84985499430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127212180480).

84985499430 is an abundant number, since it is smaller than the sum of its proper divisors (169438861530).

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

84985499430 is a wasteful number, since it uses less digits than its factorization.

84985499430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900 (or 9894 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 84985499430 in words is "eighty-four billion, nine hundred eighty-five million, four hundred ninety-nine thousand, four hundred thirty".