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29286982080 = 26355376633
BaseRepresentation
bin11011010001101000…
…111110000111000000
32210121001121211200000
4123101220332013000
5434434431411310
621242041400000
72054521145256
oct332150760700
983531554600
1029286982080
1111469813124
125814199000
1329b97485c5
1415bb8825d6
15b662344c0
hex6d1a3e1c0

29286982080 has 168 divisors, whose sum is σ = 104466219312. Its totient is φ = 7809841152.

The previous prime is 29286982079. The next prime is 29286982103. The reversal of 29286982080 is 8028968292.

It is a super-2 number, since 2×292869820802 (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 110557 + ... + 266076.

It is an arithmetic number, because the mean of its divisors is an integer number (621822734).

Almost surely, 229286982080 is an apocalyptic number.

29286982080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29286982080 is an abundant number, since it is smaller than the sum of its proper divisors (75179237232).

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

29286982080 is an equidigital number, since it uses as much as digits as its factorization.

29286982080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376665 (or 376643 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 29286982080 in words is "twenty-nine billion, two hundred eighty-six million, nine hundred eighty-two thousand, eighty".