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11030212120 = 23519233112029
BaseRepresentation
bin10100100010111001…
…11010111000011000
31001110201021211110211
422101130322320120
5140042213241440
65022303420504
7540224153554
oct122134727030
931421254424
1011030212120
1147502a3694
122179bb4734
13106a275045
14768cd6864
1544855aeea
hex29173ae18

11030212120 has 128 divisors (see below), whose sum is σ = 27361152000. Its totient is φ = 3983316480.

The previous prime is 11030212111. The next prime is 11030212129. The reversal of 11030212120 is 2121203011.

It is an interprime number because it is at equal distance from previous prime (11030212111) and next prime (11030212129).

It is a self number, because there is not a number n which added to its sum of digits gives 11030212120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030212129) 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, 5435266 + ... + 5437294.

It is an arithmetic number, because the mean of its divisors is an integer number (213759000).

Almost surely, 211030212120 is an apocalyptic number.

11030212120 is a gapful number since it is divisible by the number (10) 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 11030212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13680576000).

11030212120 is an abundant number, since it is smaller than the sum of its proper divisors (16330939880).

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

11030212120 is a wasteful number, since it uses less digits than its factorization.

11030212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11030212120 its reverse (2121203011), we get a palindrome (13151415131).

The spelling of 11030212120 in words is "eleven billion, thirty million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 23 38 40 46 76 92 95 115 152 184 190 230 311 380 437 460 622 760 874 920 1244 1555 1748 2029 2185 2488 3110 3496 4058 4370 5909 6220 7153 8116 8740 10145 11818 12440 14306 16232 17480 20290 23636 28612 29545 35765 38551 40580 46667 47272 57224 59090 71530 77102 81160 93334 118180 135907 143060 154204 186668 192755 233335 236360 271814 286120 308408 373336 385510 466670 543628 631019 679535 771020 886673 933340 1087256 1262038 1359070 1542040 1773346 1866680 2524076 2718140 3155095 3546692 4433365 5048152 5436280 6310190 7093384 8866730 11989361 12620380 14513437 17733460 23978722 25240760 29026874 35466920 47957444 58053748 59946805 72567185 95914888 116107496 119893610 145134370 239787220 275755303 290268740 479574440 551510606 580537480 1103021212 1378776515 2206042424 2757553030 5515106060 11030212120