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12972045526804 = 22721327059188147
BaseRepresentation
bin1011110011000100101000…
…1010100110011100010100
31200221010010011020011011101
42330301022022212130110
53200013222123324204
643331135255115444
72506125244451500
oct274611212463424
950833104204141
1012972045526804
114151460579291
12155609b972b84
1373134931aa10
1432bbc9527300
15177675414ea4
hexbcc4a2a6714

12972045526804 has 72 divisors (see below), whose sum is σ = 28439917339680. Its totient is φ = 5131581303744.

The previous prime is 12972045526789. The next prime is 12972045526819. The reversal of 12972045526804 is 40862554027921.

It is an interprime number because it is at equal distance from previous prime (12972045526789) and next prime (12972045526819).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68852259 + ... + 69040405.

It is an arithmetic number, because the mean of its divisors is an integer number (394998851940).

Almost surely, 212972045526804 is an apocalyptic number.

12972045526804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12972045526804 is an abundant number, since it is smaller than the sum of its proper divisors (15467871812876).

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

12972045526804 is a wasteful number, since it uses less digits than its factorization.

12972045526804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215237 (or 215228 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 12972045526804 in words is "twelve trillion, nine hundred seventy-two billion, forty-five million, five hundred twenty-six thousand, eight hundred four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 27059 54118 108236 188147 189413 351767 376294 378826 703534 752588 757652 1317029 1325891 1407068 2445911 2462369 2634058 2651782 4891822 4924738 5268116 5303564 9219203 9783644 9849476 17121377 17236583 18438406 34242754 34473166 36876812 68485508 68946332 119849639 239699278 479398556 5091069673 10182139346 20364278692 35637487711 66183905749 71274975422 132367811498 142549950844 249462413977 264735622996 463287340243 498924827954 926574680486 997849655908 1853149360972 3243011381701 6486022763402 12972045526804