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230021003220 = 22353833683387
BaseRepresentation
bin1101011000111001010…
…0011111011111010100
3210222201120002122212120
43112032110133133110
512232040334100340
6253400432215540
722422064160511
oct3261624373724
9728646078776
10230021003220
1189607950268
12386b569a5b0
13188c9b591c8
14b1c1236308
155eb3d4b4d0
hex358e51f7d4

230021003220 has 24 divisors (see below), whose sum is σ = 644058809184. Its totient is φ = 61338934176.

The previous prime is 230021003207. The next prime is 230021003239. The reversal of 230021003220 is 22300120032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230021003220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916841634 + ... + 1916841753.

It is an arithmetic number, because the mean of its divisors is an integer number (26835783716).

Almost surely, 2230021003220 is an apocalyptic number.

230021003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230021003220 is an abundant number, since it is smaller than the sum of its proper divisors (414037805964).

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

230021003220 is a wasteful number, since it uses less digits than its factorization.

230021003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833683399 (or 3833683397 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 230021003220 its reverse (22300120032), we get a palindrome (252321123252).

The spelling of 230021003220 in words is "two hundred thirty billion, twenty-one million, three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3833683387 7667366774 11501050161 15334733548 19168416935 23002100322 38336833870 46004200644 57505250805 76673667740 115010501610 230021003220