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28342830859992 = 23331111928800867
BaseRepresentation
bin1100111000111000101000…
…10111011000011011011000
310201100112210121121001122000
412130130110113120123120
512203332104200004432
6140140303341201000
75653462525202445
oct634342427303330
9121315717531560
1028342830859992
119038144140620
123219044860160
1312a79433cc81c
146ddb2c1849cc
153423de77557c
hex19c7145d86d8

28342830859992 has 64 divisors (see below), whose sum is σ = 85887366249600. Its totient is φ = 8588736623520.

The previous prime is 28342830859991. The next prime is 28342830860009. The reversal of 28342830859992 is 29995803824382.

28342830859992 is a `hidden beast` number, since 2 + 8 + 3 + 4 + 28 + 3 + 0 + 8 + 599 + 9 + 2 = 666.

It is a super-2 number, since 2×283428308599922 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 28342830859992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28342830859991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5964398058 + ... + 5964402809.

It is an arithmetic number, because the mean of its divisors is an integer number (1341990097650).

Almost surely, 228342830859992 is an apocalyptic number.

28342830859992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28342830859992 is an abundant number, since it is smaller than the sum of its proper divisors (57544535389608).

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

28342830859992 is a wasteful number, since it uses less digits than its factorization.

28342830859992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928800893 (or 11928800883 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 72.

The spelling of 28342830859992 in words is "twenty-eight trillion, three hundred forty-two billion, eight hundred thirty million, eight hundred fifty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 132 198 216 264 297 396 594 792 1188 2376 11928800867 23857601734 35786402601 47715203468 71572805202 95430406936 107359207803 131216809537 143145610404 214718415606 262433619074 286291220808 322077623409 393650428611 429436831212 524867238148 644155246818 787300857222 858873662424 1049734476296 1180951285833 1288310493636 1574601714444 2361902571666 2576620987272 3149203428888 3542853857499 4723805143332 7085707714998 9447610286664 14171415429996 28342830859992