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6969768099840 = 214325713261131
BaseRepresentation
bin110010101101100011010…
…0011010100000000000000
3220200022012010022022210100
41211123012203110000000
51403143041113143330
622453511155002400
71316356231232460
oct145330643240000
926608163268710
106969768099840
112247953433297
12946955299400
133b73281ba400
141a14a50a3ba0
15c1476569060
hex656c68d4000

6969768099840 has 2160 divisors, whose sum is σ = 30622312296576. Its totient is φ = 1435395686400.

The previous prime is 6969768099839. The next prime is 6969768099851. The reversal of 6969768099840 is 489908679696.

It is a self number, because there is not a number n which added to its sum of digits gives 6969768099840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 53204336575 + ... + 53204336705.

Almost surely, 26969768099840 is an apocalyptic number.

6969768099840 is a gapful number since it is divisible by the number (60) 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 6969768099840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15311156148288).

6969768099840 is an abundant number, since it is smaller than the sum of its proper divisors (23652544196736).

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

6969768099840 is a wasteful number, since it uses less digits than its factorization.

6969768099840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 2539579392, while the sum is 81.

The spelling of 6969768099840 in words is "six trillion, nine hundred sixty-nine billion, seven hundred sixty-eight million, ninety-nine thousand, eight hundred forty".