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28731832003182 = 237111937601114717
BaseRepresentation
bin1101000100001101001101…
…01000111110101001101110
310202201201212202212121112210
412202012212220332221232
512231220242443100212
6141035115453511250
76023543403311520
oct642064650765156
9122651782777483
1028731832003182
119178113146010
1232805084a2526
131305528123969
147148b1693a10
1534c5aa75853c
hex1a21a6a3ea6e

28731832003182 has 256 divisors, whose sum is σ = 77470051000320. Its totient is φ = 6877340121600.

The previous prime is 28731832003157. The next prime is 28731832003207. The reversal of 28731832003182 is 28130023813782.

It is an interprime number because it is at equal distance from previous prime (28731832003157) and next prime (28731832003207).

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 127 ways as a sum of consecutive naturals, for example, 1952281288 + ... + 1952296004.

It is an arithmetic number, because the mean of its divisors is an integer number (302617386720).

Almost surely, 228731832003182 is an apocalyptic number.

28731832003182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28731832003182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38735025500160).

28731832003182 is an abundant number, since it is smaller than the sum of its proper divisors (48738218997138).

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

28731832003182 is a wasteful number, since it uses less digits than its factorization.

28731832003182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20807.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 28731832003182 in words is "twenty-eight trillion, seven hundred thirty-one billion, eight hundred thirty-two million, three thousand, one hundred eighty-two".