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20101333230 = 232511232773187
BaseRepresentation
bin10010101110001000…
…100000000011101110
31220212220012112022100
4102232020200003232
5312131420130410
613122345155530
71311062341026
oct225610400356
956786175270
1020101333230
1185857511a0
123a8ba8bba6
131b84697224
14d89942a86
157c9ad58c0
hex4ae2200ee

20101333230 has 192 divisors, whose sum is σ = 59727103488. Its totient is φ = 4642894080.

The previous prime is 20101333211. The next prime is 20101333279. The reversal of 20101333230 is 3233310102.

20101333230 is a `hidden beast` number, since 2 + 0 + 101 + 333 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6305697 + ... + 6308883.

It is an arithmetic number, because the mean of its divisors is an integer number (311078664).

Almost surely, 220101333230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20101333230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29863551744).

20101333230 is an abundant number, since it is smaller than the sum of its proper divisors (39625770258).

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

20101333230 is a wasteful number, since it uses less digits than its factorization.

20101333230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20101333230 its reverse (3233310102), we get a palindrome (23334643332).

The spelling of 20101333230 in words is "twenty billion, one hundred one million, three hundred thirty-three thousand, two hundred thirty".