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109378503840 = 25351928342379
BaseRepresentation
bin110010111011101110…
…1111000010010100000
3101110022202221200220210
41211313131320102200
53243001344110330
6122125304534120
710621333641204
oct1456735702240
9343282850823
10109378503840
114242934a921
1219246781340
13a411815bb8
145418842b04
152ca27808b0
hex19777784a0

109378503840 has 192 divisors, whose sum is σ = 363966220800. Its totient is φ = 27534173184.

The previous prime is 109378503827. The next prime is 109378503869. The reversal of 109378503840 is 48305873901.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 109378503840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2559771 + ... + 2602149.

It is an arithmetic number, because the mean of its divisors is an integer number (1895657400).

Almost surely, 2109378503840 is an apocalyptic number.

109378503840 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 109378503840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181983110400).

109378503840 is an abundant number, since it is smaller than the sum of its proper divisors (254587716960).

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

109378503840 is a wasteful number, since it uses less digits than its factorization.

109378503840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42699 (or 42691 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 109378503840 in words is "one hundred nine billion, three hundred seventy-eight million, five hundred three thousand, eight hundred forty".