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30212221312320 = 2635171851239051
BaseRepresentation
bin1101101111010010101001…
…01110000001110101000000
310221222021000122112102202120
412313221110232001311000
512424444112123443240
6144131145230244240
76235522002650325
oct667512456016500
9127867018472676
1030212221312320
119698a27333073
12347b3b7956680
1313b20006cca78
147663ca618b4c
15375d51137ad0
hex1b7a54b81d40

30212221312320 has 112 divisors (see below), whose sum is σ = 101566379348928. Its totient is φ = 7582675148800.

The previous prime is 30212221312291. The next prime is 30212221312331. The reversal of 30212221312320 is 2321312221203.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925603206 + ... + 925635845.

Almost surely, 230212221312320 is an apocalyptic number.

30212221312320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212221312320 is an abundant number, since it is smaller than the sum of its proper divisors (71354158036608).

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

30212221312320 is a wasteful number, since it uses less digits than its factorization.

30212221312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851239088 (or 1851239078 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30212221312320 its reverse (2321312221203), we get a palindrome (32533533533523).

The spelling of 30212221312320 in words is "thirty trillion, two hundred twelve billion, two hundred twenty-one million, three hundred twelve thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 136 160 170 192 204 240 255 272 320 340 408 480 510 544 680 816 960 1020 1088 1360 1632 2040 2720 3264 4080 5440 8160 16320 1851239051 3702478102 5553717153 7404956204 9256195255 11107434306 14809912408 18512390510 22214868612 27768585765 29619824816 31471063867 37024781020 44429737224 55537171530 59239649632 62942127734 74049562040 88859474448 94413191601 111074343060 118479299264 125884255468 148099124080 157355319335 177718948896 188826383202 222148686120 251768510936 296198248160 314710638670 355437897792 377652766404 444297372240 472065958005 503537021872 592396496320 629421277340 755305532808 888594744480 944131916010 1007074043744 1258842554680 1510611065616 1777189488960 1888263832020 2014148087488 2517685109360 3021222131232 3776527664040 5035370218720 6042444262464 7553055328080 10070740437440 15106110656160 30212221312320