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20113210200 = 23352231457479
BaseRepresentation
bin10010101110110101…
…110011101101011000
31220220201112221110010
4102232311303231120
5312142440211300
613123451521520
71311265315536
oct225665635530
956821487403
1020113210200
118591423576
123a93a592a0
131b86c95215
14d8b355156
157cab7ea50
hex4aed73b58

20113210200 has 96 divisors (see below), whose sum is σ = 65061907200. Its totient is φ = 5130322560.

The previous prime is 20113210157. The next prime is 20113210207. The reversal of 20113210200 is 201231102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113210207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714940 + ... + 742539.

It is an arithmetic number, because the mean of its divisors is an integer number (677728200).

Almost surely, 220113210200 is an apocalyptic number.

20113210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113210200 is an abundant number, since it is smaller than the sum of its proper divisors (44948697000).

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

20113210200 is a wasteful number, since it uses less digits than its factorization.

20113210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457521 (or 1457512 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20113210200 its reverse (201231102), we get a palindrome (20314441302).

The spelling of 20113210200 in words is "twenty billion, one hundred thirteen million, two hundred ten thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 25 30 40 46 50 60 69 75 92 100 115 120 138 150 184 200 230 276 300 345 460 552 575 600 690 920 1150 1380 1725 2300 2760 3450 4600 6900 13800 1457479 2914958 4372437 5829916 7287395 8744874 11659832 14574790 17489748 21862185 29149580 33522017 34979496 36436975 43724370 58299160 67044034 72873950 87448740 100566051 109310925 134088068 145747900 167610085 174897480 201132102 218621850 268176136 291495800 335220170 402264204 437243700 502830255 670440340 804528408 838050425 874487400 1005660510 1340880680 1676100850 2011321020 2514151275 3352201700 4022642040 5028302550 6704403400 10056605100 20113210200