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12442809201025 = 527531379792283
BaseRepresentation
bin1011010100010001000100…
…1110001111000110000001
31122001112001202201012122011
42311010101032033012001
53112330333123413100
642244051520012521
72422651261063540
oct265042116170601
948045052635564
1012442809201025
113a67a69457585
12148b5bb761141
136c34760ac6b8
1431034148a157
151689ecc56bba
hexb511138f181

12442809201025 has 48 divisors (see below), whose sum is σ = 18097080891264. Its totient is φ = 8310122196480.

The previous prime is 12442809201013. The next prime is 12442809201037. The reversal of 12442809201025 is 52010290824421.

It is an interprime number because it is at equal distance from previous prime (12442809201013) and next prime (12442809201037).

It is not a de Polignac number, because 12442809201025 - 223 = 12442800812417 is a prime.

It is a super-2 number, since 2×124428092010252 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 3625467 + ... + 6166816.

It is an arithmetic number, because the mean of its divisors is an integer number (377022518568).

Almost surely, 212442809201025 is an apocalyptic number.

It is an amenable number.

12442809201025 is a deficient number, since it is larger than the sum of its proper divisors (5654271690239).

12442809201025 is a wasteful number, since it uses less digits than its factorization.

12442809201025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792490 (or 9792485 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 12442809201025 in words is "twelve trillion, four hundred forty-two billion, eight hundred nine million, two hundred one thousand, twenty-five".

Divisors: 1 5 7 25 35 53 137 175 265 371 685 959 1325 1855 3425 4795 7261 9275 23975 36305 50827 181525 254135 1270675 9792283 48961415 68545981 244807075 342729905 518990999 1341542771 1713649525 2594954995 3632936993 6707713855 9390799397 12974774975 18164684965 33538569275 46953996985 71101766863 90823424825 234769984925 355508834315 497712368041 1777544171575 2488561840205 12442809201025