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30301131210 = 2357438340429
BaseRepresentation
bin11100001110000101…
…101001000111001010
32220012201220221201220
4130032011221013022
5444024042144320
621530430222510
72121614236260
oct341605510712
986181827656
1030301131210
111193a2203a9
125a57954a36
132b1b89aa4c
141676434430
15bc52ace40
hex70e1691ca

30301131210 has 128 divisors (see below), whose sum is σ = 86071265280. Its totient is φ = 6683233536.

The previous prime is 30301131199. The next prime is 30301131251. The reversal of 30301131210 is 1213110303.

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 30301131210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 729276 + ... + 769704.

It is an arithmetic number, because the mean of its divisors is an integer number (672431760).

Almost surely, 230301131210 is an apocalyptic number.

30301131210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30301131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43035632640).

30301131210 is an abundant number, since it is smaller than the sum of its proper divisors (55770134070).

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

30301131210 is a wasteful number, since it uses less digits than its factorization.

30301131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40572.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30301131210 its reverse (1213110303), we get a palindrome (31514241513).

The spelling of 30301131210 in words is "thirty billion, three hundred one million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 43 70 83 86 105 129 166 210 215 249 258 301 415 430 498 581 602 645 830 903 1162 1245 1290 1505 1743 1806 2490 2905 3010 3486 3569 4515 5810 7138 8715 9030 10707 17430 17845 21414 24983 35690 40429 49966 53535 74949 80858 107070 121287 124915 149898 202145 242574 249830 283003 374745 404290 566006 606435 749490 849009 1212870 1415015 1698018 1738447 2830030 3355607 3476894 4245045 5215341 6711214 8490090 8692235 10066821 10430682 12169129 16778035 17384470 20133642 23489249 24338258 26076705 33556070 36507387 46978498 50334105 52153410 60845645 70467747 73014774 100668210 117446245 121691290 140935494 144291101 182536935 234892490 288582202 352338735 365073870 432873303 704677470 721455505 865746606 1010037707 1442911010 2020075414 2164366515 3030113121 4328733030 5050188535 6060226242 10100377070 15150565605 30301131210