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130331430320 = 24571317902669
BaseRepresentation
bin111100101100001011…
…0111100110110110000
3110110102000120122112212
41321120112330312300
54113404321232240
6135512354511252
712262506610340
oct1713026746660
9413360518485
10130331430320
1150300770693
1221313895528
13c3a0758650
146445500d20
1535cbed0165
hex1e585bcdb0

130331430320 has 80 divisors (see below), whose sum is σ = 372948421440. Its totient is φ = 41247747072.

The previous prime is 130331430283. The next prime is 130331430329. The reversal of 130331430320 is 23034133031.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (130331430329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8944055 + ... + 8958614.

It is an arithmetic number, because the mean of its divisors is an integer number (4661855268).

Almost surely, 2130331430320 is an apocalyptic number.

130331430320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130331430320 is an abundant number, since it is smaller than the sum of its proper divisors (242616991120).

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

130331430320 is a wasteful number, since it uses less digits than its factorization.

130331430320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17902702 (or 17902696 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 130331430320 its reverse (23034133031), we get a palindrome (153365563351).

The spelling of 130331430320 in words is "one hundred thirty billion, three hundred thirty-one million, four hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3640 7280 17902669 35805338 71610676 89513345 125318683 143221352 179026690 232734697 250637366 286442704 358053380 465469394 501274732 626593415 716106760 930938788 1002549464 1163673485 1253186830 1432213520 1629142879 1861877576 2005098928 2327346970 2506373660 3258285758 3723755152 4654693940 5012747320 6516571516 8145714395 9309387880 10025494640 13033143032 16291428790 18618775760 26066286064 32582857580 65165715160 130331430320