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103009159440 = 2432511171097019
BaseRepresentation
bin101111111101111010…
…0110000100100010000
3100211212212220110222100
41133323310300210100
53141430321100230
6115153255440400
710304443260045
oct1377364604420
9324785813870
10103009159440
113a75aa92130
1217b69686100
139938080065
144db296d1cc
152a2d4dc660
hex17fbd30910

103009159440 has 480 divisors, whose sum is σ = 403310793600. Its totient is φ = 23284039680.

The previous prime is 103009159439. The next prime is 103009159459. The reversal of 103009159440 is 44951900301.

It is a happy number.

It is a super-2 number, since 2×1030091594402 (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 103009159395 and 103009159404.

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 95 ways as a sum of consecutive naturals, for example, 14672251 + ... + 14679269.

It is an arithmetic number, because the mean of its divisors is an integer number (840230820).

Almost surely, 2103009159440 is an apocalyptic number.

103009159440 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 103009159440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201655396800).

103009159440 is an abundant number, since it is smaller than the sum of its proper divisors (300301634160).

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

103009159440 is a wasteful number, since it uses less digits than its factorization.

103009159440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 103009159440 in words is "one hundred three billion, nine million, one hundred fifty-nine thousand, four hundred forty".