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20111093120 = 27543730781
BaseRepresentation
bin10010101110101101…
…101110110110000000
31220220120120101100202
4102232231232312000
5312141414434440
613123334304332
71311241320356
oct225655566600
956816511322
1020111093120
118590207a18
123a931b80a8
131b86703701
14d8ad637d6
157ca8b2615
hex4aeb6ed80

20111093120 has 64 divisors (see below), whose sum is σ = 49196244240. Its totient is φ = 7857346560.

The previous prime is 20111093117. The next prime is 20111093161. The reversal of 20111093120 is 2139011102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×201110931202 (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20111093092 and 20111093101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337871 + ... + 392910.

Almost surely, 220111093120 is an apocalyptic number.

20111093120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111093120 is an abundant number, since it is smaller than the sum of its proper divisors (29085151120).

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

20111093120 is an equidigital number, since it uses as much as digits as its factorization.

20111093120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730843 (or 730831 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 20111093120 in words is "twenty billion, one hundred eleven million, ninety-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 160 172 215 320 344 430 640 688 860 1376 1720 2752 3440 5504 6880 13760 27520 730781 1461562 2923124 3653905 5846248 7307810 11692496 14615620 23384992 29231240 31423583 46769984 58462480 62847166 93539968 116924960 125694332 157117915 233849920 251388664 314235830 467699840 502777328 628471660 1005554656 1256943320 2011109312 2513886640 4022218624 5027773280 10055546560 20111093120