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30210111300 = 22352235382609
BaseRepresentation
bin11100001000101010…
…011011011101000100
32212222101122122220010
4130020222123131010
5443332242030200
621513415310220
72116430465145
oct341052333504
985871578803
1030210111300
11118a2902836
125a3137b370
132b05a7c805
1416682ddacc
15bbc2ce150
hex708a9b744

30210111300 has 144 divisors (see below), whose sum is σ = 92930302080. Its totient is φ = 7560284160.

The previous prime is 30210111271. The next prime is 30210111301. The reversal of 30210111300 is 311101203.

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

It is not an unprimeable number, because it can be changed into a prime (30210111301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324396 + ... + 407004.

It is an arithmetic number, because the mean of its divisors is an integer number (645349320).

Almost surely, 230210111300 is an apocalyptic number.

30210111300 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 30210111300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46465151040).

30210111300 is an abundant number, since it is smaller than the sum of its proper divisors (62720190780).

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

30210111300 is a wasteful number, since it uses less digits than its factorization.

30210111300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82702 (or 82695 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30210111300 its reverse (311101203), we get a palindrome (30521212503).

The spelling of 30210111300 in words is "thirty billion, two hundred ten million, one hundred eleven thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 25 30 46 50 53 60 69 75 92 100 106 115 138 150 159 212 230 265 276 300 318 345 460 530 575 636 690 795 1060 1150 1219 1325 1380 1590 1725 2300 2438 2650 3180 3450 3657 3975 4876 5300 6095 6900 7314 7950 12190 14628 15900 18285 24380 30475 36570 60950 73140 82609 91425 121900 165218 182850 247827 330436 365700 413045 495654 826090 991308 1239135 1652180 1900007 2065225 2478270 3800014 4130450 4378277 4956540 5700021 6195675 7600028 8260900 8756554 9500035 11400042 12391350 13134831 17513108 19000070 21891385 22800084 24782700 26269662 28500105 38000140 43782770 47500175 52539324 57000210 65674155 87565540 95000350 100700371 109456925 114000420 131348310 142500525 190000700 201400742 218913850 262696620 285001050 302101113 328370775 402801484 437827700 503501855 570002100 604202226 656741550 1007003710 1208404452 1313483100 1510505565 2014007420 2517509275 3021011130 5035018550 6042022260 7552527825 10070037100 15105055650 30210111300