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210003230020 = 22519592158759
BaseRepresentation
bin1100001110010100101…
…0101111110101000100
3202002001111010102101011
43003211022233311010
511420041311330040
6240250230012004
721113035000633
oct3034512576504
9662044112334
10210003230020
1181075391a51
12348497a7004
1316a5989a8ac
14a24284551a
1556e176e3ea
hex30e52afd44

210003230020 has 72 divisors (see below), whose sum is σ = 472222094400. Its totient is φ = 78230862144.

The previous prime is 210003229993. The next prime is 210003230027. The reversal of 210003230020 is 20032300012.

It is a happy number.

210003230020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (210003230027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1243401 + ... + 1402159.

It is an arithmetic number, because the mean of its divisors is an integer number (6558640200).

Almost surely, 2210003230020 is an apocalyptic number.

210003230020 is a gapful number since it is divisible by the number (20) 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 210003230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236111047200).

210003230020 is an abundant number, since it is smaller than the sum of its proper divisors (262218864380).

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

210003230020 is a wasteful number, since it uses less digits than its factorization.

210003230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158905 (or 158844 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 210003230020 its reverse (20032300012), we get a palindrome (230035530032).

The spelling of 210003230020 in words is "two hundred ten billion, three million, two hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 59 76 95 118 190 236 295 380 590 1121 1180 2242 3481 4484 5605 6962 11210 13924 17405 22420 34810 66139 69620 132278 158759 264556 317518 330695 635036 661390 793795 1322780 1587590 3016421 3175180 6032842 9366781 12065684 15082105 18733562 30164210 37467124 46833905 60328420 93667810 177968839 187335620 355937678 552640079 711875356 889844195 1105280158 1779688390 2210560316 2763200395 3559376780 5526400790 10500161501 11052801580 21000323002 42000646004 52500807505 105001615010 210003230020