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23000212300 = 22521320998429
BaseRepresentation
bin10101011010111010…
…110110001101001100
32012100220221211210211
4111122322312031030
5334101023243200
614322142212204
71442652402352
oct253272661514
965326854724
1023000212300
119833024a1a
12455a884064
1322271349a0
1411829457d2
158e9352aba
hex55aeb634c

23000212300 has 72 divisors (see below), whose sum is σ = 53781714000. Its totient is φ = 8487333120.

The previous prime is 23000212259. The next prime is 23000212331. The reversal of 23000212300 is 321200032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2724486 + ... + 2732914.

It is an arithmetic number, because the mean of its divisors is an integer number (746968250).

Almost surely, 223000212300 is an apocalyptic number.

23000212300 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 23000212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26890857000).

23000212300 is an abundant number, since it is smaller than the sum of its proper divisors (30781501700).

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

23000212300 is a wasteful number, since it uses less digits than its factorization.

23000212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555 (or 10548 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23000212300 its reverse (321200032), we get a palindrome (23321412332).

The spelling of 23000212300 in words is "twenty-three billion, two hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 2099 4198 8396 8429 10495 16858 20990 27287 33716 41980 42145 52475 54574 84290 104950 109148 109577 136435 168580 209900 210725 219154 272870 421450 438308 545740 547885 682175 842900 1095770 1364350 2191540 2728700 2739425 5478850 10957700 17692471 35384942 70769884 88462355 176924710 230002123 353849420 442311775 460004246 884623550 920008492 1150010615 1769247100 2300021230 4600042460 5750053075 11500106150 23000212300