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196069805280 = 2534589169987
BaseRepresentation
bin1011011010011010101…
…0111100110011100000
3200202002102221002220000
42312212222330303200
511203022332232110
6230023452220000
720110535563236
oct2664652746340
9622072832800
10196069805280
1176175325798
1231bbb46a600
1315648ccb77b
1496c013c956
1551783dc1c0
hex2da6abcce0

196069805280 has 240 divisors, whose sum is σ = 699742002960. Its totient is φ = 51697502208.

The previous prime is 196069805257. The next prime is 196069805297. The reversal of 196069805280 is 82508960691.

It is a happy number.

196069805280 is a `hidden beast` number, since 1 + 9 + 606 + 9 + 8 + 0 + 5 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1068447 + ... + 1238433.

It is an arithmetic number, because the mean of its divisors is an integer number (2915591679).

Almost surely, 2196069805280 is an apocalyptic number.

196069805280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196069805280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349871001480).

196069805280 is an abundant number, since it is smaller than the sum of its proper divisors (503672197680).

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

196069805280 is a wasteful number, since it uses less digits than its factorization.

196069805280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170103 (or 170086 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 196069805280 in words is "one hundred ninety-six billion, sixty-nine million, eight hundred five thousand, two hundred eighty".