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230012300220 = 223531123662527
BaseRepresentation
bin1101011000110111001…
…1010010101110111100
3210222200221201111121020
43112031303102232330
512232031122101340
6253355521504140
722421630202363
oct3261563225674
9728627644536
10230012300220
1189602a465aa
12386b27a2050
13188c80ccac1
14b1c000c7da
155eb31cc9d0
hex358dcd2bbc

230012300220 has 48 divisors (see below), whose sum is σ = 664809750528. Its totient is φ = 59358012480.

The previous prime is 230012300149. The next prime is 230012300233. The reversal of 230012300220 is 22003210032.

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 230012300220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61829404 + ... + 61833123.

It is an arithmetic number, because the mean of its divisors is an integer number (13850203136).

Almost surely, 2230012300220 is an apocalyptic number.

230012300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230012300220 is an abundant number, since it is smaller than the sum of its proper divisors (434797450308).

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

230012300220 is a wasteful number, since it uses less digits than its factorization.

230012300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123662570 (or 123662568 counting only the distinct ones).

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

Adding to 230012300220 its reverse (22003210032), we get a palindrome (252015510252).

The spelling of 230012300220 in words is "two hundred thirty billion, twelve million, three hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 123662527 247325054 370987581 494650108 618312635 741975162 1236625270 1483950324 1854937905 2473250540 3709875810 3833538337 7419751620 7667076674 11500615011 15334153348 19167691685 23001230022 38335383370 46002460044 57503075055 76670766740 115006150110 230012300220