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103003210020 = 223519472836793
BaseRepresentation
bin101111111101101111…
…0000100000100100100
3100211212110201012220110
41133323132010010210
53141422310210040
6115152524133020
710304341560564
oct1377336040444
9324773635813
10103003210020
113a757699257
1217b67697170
139936a790a9
144db1c60da4
152a2cc14980
hex17fb784124

103003210020 has 192 divisors, whose sum is σ = 311189114880. Its totient is φ = 25374477312.

The previous prime is 103003210007. The next prime is 103003210043. The reversal of 103003210020 is 20012300301.

It is a happy number.

It is a super-2 number, since 2×1030032100202 (a number of 23 digits) contains 22 as substring.

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 = 103003209978 and 103003210005.

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 63 ways as a sum of consecutive naturals, for example, 15159744 + ... + 15166536.

It is an arithmetic number, because the mean of its divisors is an integer number (1620776640).

Almost surely, 2103003210020 is an apocalyptic number.

103003210020 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 103003210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155594557440).

103003210020 is an abundant number, since it is smaller than the sum of its proper divisors (208185904860).

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

103003210020 is a wasteful number, since it uses less digits than its factorization.

103003210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154 (or 7152 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 103003210020 its reverse (20012300301), we get a palindrome (123015510321).

The spelling of 103003210020 in words is "one hundred three billion, three million, two hundred ten thousand, twenty".