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12421254024664 = 2371491165726879
BaseRepresentation
bin1011010011000000110001…
…1011110000110111011000
31121222110102112211210110221
42310300030123300313120
53112002212012242124
642230124553445424
72421256153105012
oct264601433606730
947873375753427
1012421254024664
113a59908091541
1214873a4a10874
136c141c464284
1430d29881b1b2
1516818a6e2ce4
hexb4c0c6f0dd8

12421254024664 has 64 divisors (see below), whose sum is σ = 23681142374400. Its totient is φ = 6106767609600.

The previous prime is 12421254024559. The next prime is 12421254024677. The reversal of 12421254024664 is 46642045212421.

It is a self number, because there is not a number n which added to its sum of digits gives 12421254024664.

It is a congruent number.

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, 462103977 + ... + 462130855.

It is an arithmetic number, because the mean of its divisors is an integer number (370017849600).

Almost surely, 212421254024664 is an apocalyptic number.

It is an amenable number.

12421254024664 is a deficient number, since it is larger than the sum of its proper divisors (11259888349736).

12421254024664 is a wasteful number, since it uses less digits than its factorization.

12421254024664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29104 (or 29100 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 12421254024664 in words is "twelve trillion, four hundred twenty-one billion, two hundred fifty-four million, twenty-four thousand, six hundred sixty-four".

Divisors: 1 2 4 8 71 142 284 491 568 982 1657 1964 3314 3928 6628 13256 26879 34861 53758 69722 107516 117647 139444 215032 235294 278888 470588 813587 941176 1627174 1908409 3254348 3816818 6508696 7633636 13197589 15267272 26395178 44538503 52790356 57764677 89077006 105580712 115529354 178154012 231058708 356308024 462117416 937028819 1874057638 3162233713 3748115276 6324467426 7496230552 12648934852 21868404973 25297869704 43736809946 87473619892 174947239784 1552656753083 3105313506166 6210627012332 12421254024664