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30022130320 = 24571315726267
BaseRepresentation
bin11011111101011101…
…010101101010010000
32212111021221020110121
4123331131111222100
5442441131132240
621443022240024
72111655616510
oct337535255220
985437836417
1030022130320
1111806789956
12599a426014
132aa5b43070
14164b369840
15baaa4b04a
hex6fd755a90

30022130320 has 160 divisors (see below), whose sum is σ = 86459966208. Its totient is φ = 9440630784.

The previous prime is 30022130309. The next prime is 30022130371. The reversal of 30022130320 is 2303122003.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30022130294 and 30022130303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129827 + ... + 1156093.

Almost surely, 230022130320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43229983104).

30022130320 is an abundant number, since it is smaller than the sum of its proper divisors (56437835888).

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

30022130320 is a wasteful number, since it uses less digits than its factorization.

30022130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26457 (or 26451 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30022130320 its reverse (2303122003), we get a palindrome (32325252323).

The spelling of 30022130320 in words is "thirty billion, twenty-two million, one 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 91 104 112 130 140 157 182 208 260 280 314 364 455 520 560 628 728 785 910 1040 1099 1256 1456 1570 1820 2041 2198 2512 3140 3640 4082 4396 5495 6280 7280 8164 8792 10205 10990 12560 14287 16328 17584 20410 21980 26267 28574 32656 40820 43960 52534 57148 71435 81640 87920 105068 114296 131335 142870 163280 183869 210136 228592 262670 285740 341471 367738 420272 525340 571480 682942 735476 919345 1050680 1142960 1365884 1470952 1707355 1838690 2101360 2390297 2731768 2941904 3414710 3677380 4123919 4780594 5463536 6829420 7354760 8247838 9561188 11951485 13658840 14709520 16495676 19122376 20619595 23902970 27317680 28867433 32991352 38244752 41239190 47805940 53610947 57734866 65982704 82478380 95611880 107221894 115469732 144337165 164956760 191223760 214443788 230939464 268054735 288674330 329913520 375276629 428887576 461878928 536109470 577348660 750553258 857775152 1072218940 1154697320 1501106516 1876383145 2144437880 2309394640 3002213032 3752766290 4288875760 6004426064 7505532580 15011065160 30022130320