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108811422720 = 210325721113337
BaseRepresentation
bin110010101010110101…
…0101000110000000000
3101101212020212222212100
41211111222220300000
53240321211011340
6121553130230400
710601306555400
oct1452552506000
9341766788770
10108811422720
1142168236440
1219108885400
13a3511a4a40
1453a33c8800
152c6cab6830
hex1955aa8c00

108811422720 has 1584 divisors, whose sum is σ = 516789026208. Its totient is φ = 20808990720.

The previous prime is 108811422703. The next prime is 108811422721. The reversal of 108811422720 is 27224118801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1584).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108811422721) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 322882392 + ... + 322882728.

Almost surely, 2108811422720 is an apocalyptic number.

108811422720 is a gapful number since it is divisible by the number (10) 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 108811422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258394513104).

108811422720 is an abundant number, since it is smaller than the sum of its proper divisors (407977603488).

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

108811422720 is a wasteful number, since it uses less digits than its factorization.

108811422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 108811422720 in words is "one hundred eight billion, eight hundred eleven million, four hundred twenty-two thousand, seven hundred twenty".