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10749488400 = 2433527142189
BaseRepresentation
bin10100000001011100…
…00010110100010000
31000202011001120221000
422000232002310100
5134003332112100
64534354502000
7530245100220
oct120056026420
930664046830
1010749488400
114616895812
1220bbb94900
131024066131
1473d900080
1542daa8900
hex280b82d10

10749488400 has 240 divisors, whose sum is σ = 43726268800. Its totient is φ = 2457008640.

The previous prime is 10749488389. The next prime is 10749488401. The reversal of 10749488400 is 488494701.

10749488400 is a `hidden beast` number, since 10 + 74 + 94 + 88 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (10749488401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4506 + ... + 146694.

Almost surely, 210749488400 is an apocalyptic number.

10749488400 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 10749488400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21863134400).

10749488400 is an abundant number, since it is smaller than the sum of its proper divisors (32976780400).

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

10749488400 is a wasteful number, since it uses less digits than its factorization.

10749488400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142223 (or 142206 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 10749488400 in words is "ten billion, seven hundred forty-nine million, four hundred eighty-eight thousand, four hundred".