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30100321200 = 2435242159581
BaseRepresentation
bin11100000010000111…
…100111001110110000
32212200202001202012010
4130002013213032300
5443121140234300
621454454202520
72113625336325
oct340207471660
985622052163
1030100321200
1111846934914
125a00653440
132ab90bbb61
1416578c0b4c
15bb2843a50
hex7021e73b0

30100321200 has 120 divisors (see below), whose sum is σ = 96652013776. Its totient is φ = 8007552000.

The previous prime is 30100321171. The next prime is 30100321231. The reversal of 30100321200 is 212300103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 475410 + ... + 534990.

Almost surely, 230100321200 is an apocalyptic number.

30100321200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30100321200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48326006888).

30100321200 is an abundant number, since it is smaller than the sum of its proper divisors (66551692576).

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

30100321200 is a wasteful number, since it uses less digits than its factorization.

30100321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60023 (or 60012 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30100321200 its reverse (212300103), we get a palindrome (30312621303).

The spelling of 30100321200 in words is "thirty billion, one hundred million, three hundred twenty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 421 600 842 1200 1263 1684 2105 2526 3368 4210 5052 6315 6736 8420 10104 10525 12630 16840 20208 21050 25260 31575 33680 42100 50520 59581 63150 84200 101040 119162 126300 168400 178743 238324 252600 297905 357486 476648 505200 595810 714972 893715 953296 1191620 1429944 1489525 1787430 2383240 2859888 2979050 3574860 4468575 4766480 5958100 7149720 8937150 11916200 14299440 17874300 23832400 25083601 35748600 50167202 71497200 75250803 100334404 125418005 150501606 200668808 250836010 301003212 376254015 401337616 501672020 602006424 627090025 752508030 1003344040 1204012848 1254180050 1505016060 1881270075 2006688080 2508360100 3010032120 3762540150 5016720200 6020064240 7525080300 10033440400 15050160600 30100321200