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103003131321200 = 245211131857208519
BaseRepresentation
bin10111011010111001001001…
…000011011001101101110000
3111111201000002022201101220002
4113122321021003121231300
5102000100403104234300
61003022552453205132
730460505421164555
oct2732711103315560
9444630068641802
10103003131321200
112a902423387910
12b6768443307a8
1345621cc619316
141b61541936a2c
15bd9533d975d5
hex5dae490d9b70

103003131321200 has 240 divisors, whose sum is σ = 272341339395840. Its totient is φ = 37126212864000.

The previous prime is 103003131321173. The next prime is 103003131321203. The reversal of 103003131321200 is 2123131300301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103003131321203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493870541 + ... + 494079059.

It is an arithmetic number, because the mean of its divisors is an integer number (1134755580816).

Almost surely, 2103003131321200 is an apocalyptic number.

103003131321200 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 103003131321200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136170669697920).

103003131321200 is an abundant number, since it is smaller than the sum of its proper divisors (169338208074640).

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

103003131321200 is a wasteful number, since it uses less digits than its factorization.

103003131321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209536 (or 209525 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103003131321200 its reverse (2123131300301), we get a palindrome (105126262621501).

The spelling of 103003131321200 in words is "one hundred three trillion, three billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred".