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12003211434 = 23231371494261
BaseRepresentation
bin10110010110111001…
…00111100010101010
31010222112011022121110
423023130213202222
5144040310231214
65303022251150
7603310420344
oct131334474252
933875138543
1012003211434
1150aa555455
1223aba26ab6
131193a1a496
1481c216294
154a3ba7159
hex2cb7278aa

12003211434 has 64 divisors (see below), whose sum is σ = 25408339200. Its totient is φ = 3772792320.

The previous prime is 12003211351. The next prime is 12003211541. The reversal of 12003211434 is 43411230021.

It is a self number, because there is not a number n which added to its sum of digits gives 12003211434.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2814864 + ... + 2819124.

It is an arithmetic number, because the mean of its divisors is an integer number (397005300).

Almost surely, 212003211434 is an apocalyptic number.

12003211434 is an abundant number, since it is smaller than the sum of its proper divisors (13405127766).

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

12003211434 is a wasteful number, since it uses less digits than its factorization.

12003211434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12003211434 its reverse (43411230021), we get a palindrome (55414441455).

The spelling of 12003211434 in words is "twelve billion, three million, two hundred eleven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 137 138 149 274 298 411 447 822 894 3151 3427 4261 6302 6854 8522 9453 10281 12783 18906 20413 20562 25566 40826 61239 98003 122478 196006 294009 469499 583757 588018 634889 938998 1167514 1269778 1408497 1751271 1904667 2816994 3502542 3809334 13426411 14602447 26852822 29204894 40279233 43807341 80558466 86979793 87614682 173959586 260939379 521878758 2000535239 4001070478 6001605717 12003211434