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23200203132 = 22322392930161
BaseRepresentation
bin10101100110110101…
…110000000101111100
32012212212021102122200
4111212311300011330
5340003223000012
614354044511500
71450631321121
oct254665600574
965785242580
1023200203132
119925a00aa7
1245b584b590
1322596b7a62
1411a1324748
1590bba93dc
hex566d7017c

23200203132 has 72 divisors (see below), whose sum is σ = 61262641440. Its totient is φ = 7388958720.

The previous prime is 23200203083. The next prime is 23200203151. The reversal of 23200203132 is 23130200232.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 754132 + ... + 784292.

It is an arithmetic number, because the mean of its divisors is an integer number (850870020).

Almost surely, 223200203132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23200203132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30631320720).

23200203132 is an abundant number, since it is smaller than the sum of its proper divisors (38062438308).

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

23200203132 is a wasteful number, since it uses less digits than its factorization.

23200203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31123 (or 31118 counting only the distinct ones).

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

Adding to 23200203132 its reverse (23130200232), we get a palindrome (46330403364).

The spelling of 23200203132 in words is "twenty-three billion, two hundred million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 929 1858 2787 3716 5574 8361 11148 16722 21367 30161 33444 42734 60322 64101 85468 90483 120644 128202 180966 192303 256404 271449 361932 384606 542898 693703 769212 1085796 1387406 2081109 2774812 4162218 6243327 8324436 12486654 24973308 28019569 56039138 84058707 112078276 168117414 252176121 336234828 504352242 644450087 1008704484 1288900174 1933350261 2577800348 3866700522 5800050783 7733401044 11600101566 23200203132