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12110040040 = 2357231880441
BaseRepresentation
bin10110100011101000…
…01000101111101000
31011020222011202220111
423101310020233220
5144300132240130
65321400104104
7606045433120
oct132164105750
934228152814
1012110040040
11515489035a
12241b765034
1311acbb2187
1482c4a3c80
154ad25a02a
hex2d1d08be8

12110040040 has 64 divisors (see below), whose sum is σ = 32494037760. Its totient is φ = 3971489280.

The previous prime is 12110040037. The next prime is 12110040133. The reversal of 12110040040 is 4004001121.

It is a self number, because there is not a number n which added to its sum of digits gives 12110040040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933781 + ... + 946660.

It is an arithmetic number, because the mean of its divisors is an integer number (507719340).

Almost surely, 212110040040 is an apocalyptic number.

12110040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110040040 is an abundant number, since it is smaller than the sum of its proper divisors (20383997720).

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

12110040040 is a wasteful number, since it uses less digits than its factorization.

12110040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880482 (or 1880478 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12110040040 its reverse (4004001121), we get a palindrome (16114041161).

The spelling of 12110040040 in words is "twelve billion, one hundred ten million, forty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 23 28 35 40 46 56 70 92 115 140 161 184 230 280 322 460 644 805 920 1288 1610 3220 6440 1880441 3760882 7521764 9402205 13163087 15043528 18804410 26326174 37608820 43250143 52652348 65815435 75217640 86500286 105304696 131630870 173000572 216250715 263261740 302751001 346001144 432501430 526523480 605502002 865002860 1211004004 1513755005 1730005720 2422008008 3027510010 6055020020 12110040040