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30500353100000 = 2555743571933
BaseRepresentation
bin1101110111101011010101…
…01101100100100011100000
310222222210202001022210212102
412323311222231210203200
512444204210343200000
6144511400242345532
76265402116513620
oct673655255444340
9128883661283772
1030500353100000
11979a144200833
12350720a65b2a8
13140322b78a224
14776321446880
1537d5b69093d5
hex1bbd6ab648e0

30500353100000 has 144 divisors (see below), whose sum is σ = 85776754998816. Its totient is φ = 10457263680000.

The previous prime is 30500353099991. The next prime is 30500353100017. The reversal of 30500353100000 is 135300503.

It is a super-2 number, since 2×305003531000002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21085967 + ... + 22485966.

It is an arithmetic number, because the mean of its divisors is an integer number (595671909714).

Almost surely, 230500353100000 is an apocalyptic number.

It is an amenable number.

30500353100000 is an abundant number, since it is smaller than the sum of its proper divisors (55276401898816).

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

30500353100000 is an frugal number, since it uses more digits than its factorization.

30500353100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43571975 (or 43571947 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 20.

Adding to 30500353100000 its reverse (135300503), we get a palindrome (30500488400503).

The spelling of 30500353100000 in words is "thirty trillion, five hundred billion, three hundred fifty-three million, one hundred thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 125 140 160 175 200 224 250 280 350 400 500 560 625 700 800 875 1000 1120 1250 1400 1750 2000 2500 2800 3125 3500 4000 4375 5000 5600 6250 7000 8750 10000 12500 14000 17500 20000 21875 25000 28000 35000 43750 50000 70000 87500 100000 140000 175000 350000 700000 43571933 87143866 174287732 217859665 305003531 348575464 435719330 610007062 697150928 871438660 1089298325 1220014124 1394301856 1525017655 1742877320 2178596650 2440028248 3050035310 3485754640 4357193300 4880056496 5446491625 6100070620 6971509280 7625088275 8714386600 9760112992 10892983250 12200141240 15250176550 17428773200 21785966500 24400282480 27232458125 30500353100 34857546400 38125441375 43571933000 48800564960 54464916250 61000706200 76250882750 87143866000 108929832500 122001412400 136162290625 152501765500 174287732000 190627206875 217859665000 244002824800 272324581250 305003531000 381254413750 435719330000 544649162500 610007062000 762508827500 871438660000 953136034375 1089298325000 1220014124000 1525017655000 1906272068750 2178596650000 3050035310000 3812544137500 4357193300000 6100070620000 7625088275000 15250176550000 30500353100000