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1303012230 = 235134377699
BaseRepresentation
bin100110110101010…
…0110001110000110
310100210211212202020
41031222212032012
510132032342410
6333144024010
744201264322
oct11552461606
93323755666
101303012230
11609575413
12304462006
13179c51070
14c50a6982
15795d7a70
hex4daa6386

1303012230 has 64 divisors (see below), whose sum is σ = 3446150400. Its totient is φ = 313278336.

The previous prime is 1303012223. The next prime is 1303012231. The reversal of 1303012230 is 322103031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303012231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22080 + ... + 55619.

It is an arithmetic number, because the mean of its divisors is an integer number (53846100).

Almost surely, 21303012230 is an apocalyptic number.

1303012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303012230 is an abundant number, since it is smaller than the sum of its proper divisors (2143138170).

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

1303012230 is a wasteful number, since it uses less digits than its factorization.

1303012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77765.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1303012230 is about 36097.2606993938. The cubic root of 1303012230 is about 1092.2351883103.

Adding to 1303012230 its reverse (322103031), we get a palindrome (1625115261).

The spelling of 1303012230 in words is "one billion, three hundred three million, twelve thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 43 65 78 86 129 130 195 215 258 390 430 559 645 1118 1290 1677 2795 3354 5590 8385 16770 77699 155398 233097 388495 466194 776990 1010087 1165485 2020174 2330970 3030261 3341057 5050435 6060522 6682114 10023171 10100870 15151305 16705285 20046342 30302610 33410570 43433741 50115855 86867482 100231710 130301223 217168705 260602446 434337410 651506115 1303012230