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1388757328048 = 241671972638297
BaseRepresentation
bin10100001101011000011…
…000110010000010110000
311220202121212220212220101
4110031120120302002300
5140223133333444143
62541553013122144
7202222462342546
oct24153030620260
94822555825811
101388757328048
11495a72341472
121a5198029354
13a0c6163446c
144b305409d96
15261d1137b4d
hex143586320b0

1388757328048 has 40 divisors (see below), whose sum is σ = 2720570684832. Its totient is φ = 686716789248.

The previous prime is 1388757328037. The next prime is 1388757328093. The reversal of 1388757328048 is 8408237578831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792765 + ... + 1845532.

Almost surely, 21388757328048 is an apocalyptic number.

It is an amenable number.

1388757328048 is a deficient number, since it is larger than the sum of its proper divisors (1331813356784).

1388757328048 is a wasteful number, since it uses less digits than its factorization.

1388757328048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638669 (or 2638663 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 1388757328048 in words is "one trillion, three hundred eighty-eight billion, seven hundred fifty-seven million, three hundred twenty-eight thousand, forty-eight".

Divisors: 1 2 4 8 16 167 197 334 394 668 788 1336 1576 2672 3152 32899 65798 131596 263192 526384 2638297 5276594 10553188 21106376 42212752 440595599 519744509 881191198 1039489018 1762382396 2078978036 3524764792 4157956072 7049529584 8315912144 86797333003 173594666006 347189332012 694378664024 1388757328048