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1386245999488 = 27753173168737
BaseRepresentation
bin10100001011000010101…
…100110100101110000000
311220112010212102011202111
4110023002230310232000
5140203012433440423
62540455502425104
7202103316402130
oct24130254645600
94815125364674
101386245999488
114949a3800119
121a47b6b92194
13a095126982c
144b147a8aac0
15260d592060d
hex142c2b34b80

1386245999488 has 128 divisors (see below), whose sum is σ = 3234342985920. Its totient is φ = 579523117056.

The previous prime is 1386245999473. The next prime is 1386245999507. The reversal of 1386245999488 is 8849995426831.

It is a tau number, because it is divible by the number of its divisors (128).

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, 8131056 + ... + 8299792.

Almost surely, 21386245999488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386245999488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617171492960).

1386245999488 is an abundant number, since it is smaller than the sum of its proper divisors (1848096986432).

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

1386245999488 is a wasteful number, since it uses less digits than its factorization.

1386245999488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168984 (or 168972 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 76.

The spelling of 1386245999488 in words is "one trillion, three hundred eighty-six billion, two hundred forty-five million, nine hundred ninety-nine thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 53 56 64 106 112 128 173 212 224 346 371 424 448 692 742 848 896 1211 1384 1484 1696 2422 2768 2968 3392 4844 5536 5936 6784 9169 9688 11072 11872 18338 19376 22144 23744 36676 38752 47488 64183 73352 77504 128366 146704 155008 168737 256732 293408 337474 513464 586816 674948 1026928 1173632 1181159 1349896 2053856 2362318 2699792 4107712 4724636 5399584 8215424 8943061 9449272 10799168 17886122 18898544 21598336 29191501 35772244 37797088 58383002 62601427 71544488 75594176 116766004 125202854 143088976 151188352 204340507 233532008 250405708 286177952 408681014 467064016 500811416 572355904 817362028 934128032 1001622832 1144711808 1547149553 1634724056 1868256064 2003245664 3094299106 3269448112 3736512128 4006491328 6188598212 6538896224 8012982656 10830046871 12377196424 13077792448 21660093742 24754392848 26155584896 43320187484 49508785696 86640374968 99017571392 173280749936 198035142784 346561499872 693122999744 1386245999488