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12432034020 = 22357219222557
BaseRepresentation
bin10111001010000000…
…11100100011100100
31012002102001202121110
423211000130203210
5200430100042040
65413341345020
7620035355100
oct134500344344
935072052543
1012432034020
1152aa61718a
1224ab568170
131231810b63
1485d160900
154cb660980
hex2e501c8e4

12432034020 has 144 divisors (see below), whose sum is σ = 42624308160. Its totient is φ = 2692037376.

The previous prime is 12432034007. The next prime is 12432034031. The reversal of 12432034020 is 2043023421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55419 + ... + 167138.

It is an arithmetic number, because the mean of its divisors is an integer number (296002140).

Almost surely, 212432034020 is an apocalyptic number.

12432034020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432034020 is an abundant number, since it is smaller than the sum of its proper divisors (30192274140).

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

12432034020 is a wasteful number, since it uses less digits than its factorization.

12432034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222602 (or 222593 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12432034020 its reverse (2043023421), we get a palindrome (14475057441).

The spelling of 12432034020 in words is "twelve billion, four hundred thirty-two million, thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 49 57 60 70 76 84 95 98 105 114 133 140 147 190 196 210 228 245 266 285 294 380 399 420 490 532 570 588 665 735 798 931 980 1140 1330 1470 1596 1862 1995 2660 2793 2940 3724 3990 4655 5586 7980 9310 11172 13965 18620 27930 55860 222557 445114 667671 890228 1112785 1335342 1557899 2225570 2670684 3115798 3338355 4228583 4451140 4673697 6231596 6676710 7789495 8457166 9347394 10905293 12685749 13353420 15578990 16914332 18694788 21142915 21810586 23368485 25371498 29600081 31157980 32715879 42285830 43621172 46736970 50742996 54526465 59200162 63428745 65431758 84571660 88800243 93473940 109052930 118400324 126857490 130863516 148000405 163579395 177600486 207200567 218105860 253714980 296000810 327158790 355200972 414401134 444001215 592001620 621601701 654317580 828802268 888002430 1036002835 1243203402 1776004860 2072005670 2486406804 3108008505 4144011340 6216017010 12432034020