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30313320222120 = 23351323844852849
BaseRepresentation
bin1101110010001110111101…
…01011110000110110101000
310222022220222101222011212020
412321013132223300312220
512433123134434101440
6144245425210544440
76246031222341435
oct671073653606650
9128286871864766
1030313320222120
119727896aa9391
123496b11738120
1313bb6c2a9aba0
1476b25b5b2b8c
153787bba903d0
hex1b91deaf0da8

30313320222120 has 128 divisors (see below), whose sum is σ = 102193400736000. Its totient is φ = 7137316859904.

The previous prime is 30313320222103. The next prime is 30313320222121. The reversal of 30313320222120 is 2122202331303.

It is a super-2 number, since 2×303133202221202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30313320222121) 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, 422390545 + ... + 422462304.

It is an arithmetic number, because the mean of its divisors is an integer number (798385943250).

Almost surely, 230313320222120 is an apocalyptic number.

30313320222120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30313320222120 is an abundant number, since it is smaller than the sum of its proper divisors (71880080513880).

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

30313320222120 is a wasteful number, since it uses less digits than its factorization.

30313320222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844852899 (or 844852895 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30313320222120 its reverse (2122202331303), we get a palindrome (32435522553423).

The spelling of 30313320222120 in words is "thirty trillion, three hundred thirteen billion, three hundred twenty million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 23 24 26 30 39 40 46 52 60 65 69 78 92 104 115 120 130 138 156 184 195 230 260 276 299 312 345 390 460 520 552 598 690 780 897 920 1196 1380 1495 1560 1794 2392 2760 2990 3588 4485 5980 7176 8970 11960 17940 35880 844852849 1689705698 2534558547 3379411396 4224264245 5069117094 6758822792 8448528490 10138234188 10983087037 12672792735 16897056980 19431615527 20276468376 21966174074 25345585470 32949261111 33794113960 38863231054 43932348148 50691170940 54915435185 58294846581 65898522222 77726462108 87864696296 97158077635 101382341880 109830870370 116589693162 131797044444 155452924216 164746305555 194316155270 219661740740 233179386324 252611001851 263594088888 291474232905 329492611110 388632310540 439323481480 466358772648 505222003702 582948465810 658985222220 757833005553 777264621080 1010444007404 1165896931620 1263055009255 1317970444440 1515666011106 2020888014808 2331793863240 2526110018510 3031332022212 3789165027765 5052220037020 6062664044424 7578330055530 10104440074040 15156660111060 30313320222120