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11031078852 = 22332331714009
BaseRepresentation
bin10100100011000000…
…01110011111000100
31001110202220212102000
422101200032133010
5140042424010402
65022334145300
7540234423513
oct122140163704
931422825360
1011031078852
1147508358a2
12217a352230
13106a4b96c1
1476908067a
1544867cc1c
hex29180e7c4

11031078852 has 96 divisors (see below), whose sum is σ = 29938809600. Its totient is φ = 3505810176.

The previous prime is 11031078827. The next prime is 11031078853. The reversal of 11031078852 is 25887013011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11031078853) 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, 780424 + ... + 794432.

It is an arithmetic number, because the mean of its divisors is an integer number (311862600).

Almost surely, 211031078852 is an apocalyptic number.

11031078852 is a gapful number since it is divisible by the number (12) 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 11031078852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14969404800).

11031078852 is an abundant number, since it is smaller than the sum of its proper divisors (18907730748).

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

11031078852 is a wasteful number, since it uses less digits than its factorization.

11031078852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362 (or 14354 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 11031078852 in words is "eleven billion, thirty-one million, seventy-eight thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 317 414 621 634 828 951 1242 1268 1902 2484 2853 3804 5706 7291 8559 11412 14009 14582 17118 21873 28018 29164 34236 42027 43746 56036 65619 84054 87492 126081 131238 168108 196857 252162 262476 322207 378243 393714 504324 644414 756486 787428 966621 1288828 1512972 1933242 2899863 3866484 4440853 5799726 8699589 8881706 11599452 13322559 17399178 17763412 26645118 34798356 39967677 53290236 79935354 102139619 119903031 159870708 204279238 239806062 306418857 408558476 479612124 612837714 919256571 1225675428 1838513142 2757769713 3677026284 5515539426 11031078852