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11230312000 = 26531403789
BaseRepresentation
bin10100111010110000…
…01111011001000000
31001222122210221220111
422131120033121000
5140444424441000
65054212321104
7545204035255
oct123530173100
931878727814
1011230312000
114843244696
122215013194
13109c86593b
1478770342c
1545add4cba
hex29d60f640

11230312000 has 56 divisors (see below), whose sum is σ = 27811887480. Its totient is φ = 4492121600.

The previous prime is 11230311991. The next prime is 11230312019. The reversal of 11230312000 is 21303211.

It can be written as a sum of positive squares in 4 ways, for example, as 3068273664 + 8162038336 = 55392^2 + 90344^2 .

It is a super-2 number, since 2×112303120002 (a number of 21 digits) contains 22 as substring.

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, 693895 + ... + 709894.

Almost surely, 211230312000 is an apocalyptic number.

11230312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230312000 is an abundant number, since it is smaller than the sum of its proper divisors (16581575480).

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

11230312000 is an equidigital number, since it uses as much as digits as its factorization.

11230312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403816 (or 1403796 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11230312000 its reverse (21303211), we get a palindrome (11251615211).

The spelling of 11230312000 in words is "eleven billion, two hundred thirty million, three hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 1403789 2807578 5615156 7018945 11230312 14037890 22460624 28075780 35094725 44921248 56151560 70189450 89842496 112303120 140378900 175473625 224606240 280757800 350947250 449212480 561515600 701894500 1123031200 1403789000 2246062400 2807578000 5615156000 11230312000