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200001020310 = 232571321998867
BaseRepresentation
bin1011101001000011111…
…1010110000110010110
3201010020102012112002200
42322100333112012112
511234100230122220
6231513523545330
720310132423450
oct2722077260626
9633212175080
10200001020310
11779023a8833
1232917b2b246
1315b245b8700
1499742a92d0
1553085c6890
hex2e90fd6196

200001020310 has 288 divisors, whose sum is σ = 677396079360. Its totient is φ = 39976664832.

The previous prime is 200001020299. The next prime is 200001020341. The reversal of 200001020310 is 13020100002.

It is a happy number.

It is a super-2 number, since 2×2000010203102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200001020292 and 200001020301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1973497 + ... + 2072363.

It is an arithmetic number, because the mean of its divisors is an integer number (2352069720).

Almost surely, 2200001020310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200001020310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338698039680).

200001020310 is an abundant number, since it is smaller than the sum of its proper divisors (477395059050).

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

200001020310 is a wasteful number, since it uses less digits than its factorization.

200001020310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98932 (or 98916 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 200001020310 its reverse (13020100002), we get a palindrome (213021120312).

The spelling of 200001020310 in words is "two hundred billion, one million, twenty thousand, three hundred ten".