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20231301200 = 24521110344641
BaseRepresentation
bin10010110101111000…
…010010100001010000
31221012221202120211212
4102311320102201100
5312413203114300
613143310555252
71314231136265
oct226570224120
957187676755
1020231301200
118642051040
123b07508b28
131ba55a1256
14d9ccd526c
157d6209935
hex4b5e12850

20231301200 has 120 divisors (see below), whose sum is σ = 53540400576. Its totient is φ = 7285248000.

The previous prime is 20231301161. The next prime is 20231301217. The reversal of 20231301200 is 210313202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430880 + ... + 475520.

Almost surely, 220231301200 is an apocalyptic number.

20231301200 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 20231301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26770200288).

20231301200 is an abundant number, since it is smaller than the sum of its proper divisors (33309099376).

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

20231301200 is a wasteful number, since it uses less digits than its factorization.

20231301200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44773 (or 44762 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20231301200 its reverse (210313202), we get a palindrome (20441614402).

The spelling of 20231301200 in words is "twenty billion, two hundred thirty-one million, three hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 103 110 176 200 206 220 275 400 412 440 515 550 824 880 1030 1100 1133 1648 2060 2200 2266 2575 4120 4400 4532 5150 5665 8240 9064 10300 11330 18128 20600 22660 28325 41200 44641 45320 56650 89282 90640 113300 178564 223205 226600 357128 446410 453200 491051 714256 892820 982102 1116025 1785640 1964204 2232050 2455255 3571280 3928408 4464100 4598023 4910510 7856816 8928200 9196046 9821020 12276275 17856400 18392092 19642040 22990115 24552550 36784184 39284080 45980230 49105100 50578253 73568368 91960460 98210200 101156506 114950575 183920920 196420400 202313012 229901150 252891265 367841840 404626024 459802300 505782530 809252048 919604600 1011565060 1264456325 1839209200 2023130120 2528912650 4046260240 5057825300 10115650600 20231301200