Search a number
-
+
201002120202 = 2313219531011949
BaseRepresentation
bin1011101100110010101…
…0001111010000001010
3201012211011221122222110
42323030222033100022
511243123020321302
6232201125003150
720344006555152
oct2731452172012
9635734848873
10201002120202
1178276502a14
1232b572534b6
1315c53b1c400
149a2b221762
155366423b6c
hex2ecca8f40a

201002120202 has 192 divisors, whose sum is σ = 471727152000. Its totient is φ = 56887833600.

The previous prime is 201002120201. The next prime is 201002120203. The reversal of 201002120202 is 202021200102.

It is an interprime number because it is at equal distance from previous prime (201002120201) and next prime (201002120203).

It is not an unprimeable number, because it can be changed into a prime (201002120201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103129924 + ... + 103131872.

It is an arithmetic number, because the mean of its divisors is an integer number (2456912250).

Almost surely, 2201002120202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201002120202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235863576000).

201002120202 is an abundant number, since it is smaller than the sum of its proper divisors (270725031798).

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

201002120202 is a wasteful number, since it uses less digits than its factorization.

201002120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201002120202 its reverse (202021200102), we get a palindrome (403023320304).

The spelling of 201002120202 in words is "two hundred one billion, two million, one hundred twenty thousand, two hundred two".