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206946900468480 = 2835194169181543
BaseRepresentation
bin101111000011011110010100…
…011111010110001100000000
31000010201221010022110100102010
4233003132110133112030000
5204111104223004442410
62012050032115452520
761406264054105154
oct5703362437261400
91003657108410363
10206946900468480
115aa37762246747
121b2638422b7140
138b62016954a73
1439163d7a15064
1518dd26cc43c20
hexbc37947d6300

206946900468480 has 288 divisors, whose sum is σ = 712691662717440. Its totient is φ = 51006167285760.

The previous prime is 206946900468467. The next prime is 206946900468481. The reversal of 206946900468480 is 84864009649602.

It is a super-2 number, since 2×2069469004684802 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206946900468481) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 31599412 + ... + 37582131.

It is an arithmetic number, because the mean of its divisors is an integer number (2474623828880).

Almost surely, 2206946900468480 is an apocalyptic number.

206946900468480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206946900468480 is an abundant number, since it is smaller than the sum of its proper divisors (505744762248960).

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

206946900468480 is a wasteful number, since it uses less digits than its factorization.

206946900468480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69181627 (or 69181613 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 66.

The spelling of 206946900468480 in words is "two hundred six trillion, nine hundred forty-six billion, nine hundred million, four hundred sixty-eight thousand, four hundred eighty".