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103130110020 = 2235717471911609
BaseRepresentation
bin110000000001100001…
…0001001100001000100
3100212012022111101222110
41200003002021201010
53142202302010040
6115213300101020
710310442320460
oct1400302114104
9325168441873
10103130110020
113a812293093
1217ba2094770
13995714a852
144dc4a554a0
152a38e2e980
hex1803089844

103130110020 has 384 divisors, whose sum is σ = 358955089920. Its totient is φ = 21586821120.

The previous prime is 103130110019. The next prime is 103130110043. The reversal of 103130110020 is 20011031301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103130109978 and 103130110005.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64094976 + ... + 64096584.

It is an arithmetic number, because the mean of its divisors is an integer number (934778880).

Almost surely, 2103130110020 is an apocalyptic number.

103130110020 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 103130110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179477544960).

103130110020 is an abundant number, since it is smaller than the sum of its proper divisors (255824979900).

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

103130110020 is a wasteful number, since it uses less digits than its factorization.

103130110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 103130110020 its reverse (20011031301), we get a palindrome (123141141321).

The spelling of 103130110020 in words is "one hundred three billion, one hundred thirty million, one hundred ten thousand, twenty".