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20230343100 = 2232521119131821
BaseRepresentation
bin10010110101110100…
…101000100110111100
31221012212221220120200
4102311310220212330
5312412431434400
613143234243500
71314220036062
oct226564504674
957185856520
1020230343100
118641557220
123b07126590
131ba5327126
14d9cb26032
157d60bab00
hex4b5d289bc

20230343100 has 432 divisors, whose sum is σ = 73461548160. Its totient is φ = 4605120000.

The previous prime is 20230343087. The next prime is 20230343117. The reversal of 20230343100 is 134303202.

20230343100 is a `hidden beast` number, since 2 + 0 + 230 + 3 + 431 + 0 + 0 = 666.

It is a super-2 number, since 2×202303431002 (a number of 21 digits) contains 22 as substring.

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 143 ways as a sum of consecutive naturals, for example, 24640690 + ... + 24641510.

It is an arithmetic number, because the mean of its divisors is an integer number (170049880).

Almost surely, 220230343100 is an apocalyptic number.

20230343100 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 20230343100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36730774080).

20230343100 is an abundant number, since it is smaller than the sum of its proper divisors (53231205060).

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

20230343100 is a wasteful number, since it uses less digits than its factorization.

20230343100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20230343100 its reverse (134303202), we get a palindrome (20364646302).

The spelling of 20230343100 in words is "twenty billion, two hundred thirty million, three hundred forty-three thousand, one hundred".