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20758143813944 = 2341137461949079
BaseRepresentation
bin1001011100001001000011…
…10010011100100100111000
32201111110101201210200120012
410232010201302130210320
510210100134304021234
6112052054251121052
74241504104064645
oct456044162344470
981443351720505
1020758143813944
116683530023729
1223b3098443188
13b7763b777ac4
1451a9b16b4dcc
1525ee7873a0ce
hex12e121c9c938

20758143813944 has 32 divisors (see below), whose sum is σ = 40161853015200. Its totient is φ = 10052011937280.

The previous prime is 20758143813923. The next prime is 20758143814013. The reversal of 20758143813944 is 44931834185702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230929604 + ... + 231019475.

It is an arithmetic number, because the mean of its divisors is an integer number (1255057906725).

Almost surely, 220758143813944 is an apocalyptic number.

It is an amenable number.

20758143813944 is a deficient number, since it is larger than the sum of its proper divisors (19403709201256).

20758143813944 is a wasteful number, since it uses less digits than its factorization.

20758143813944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461949263 (or 461949259 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 20758143813944 in words is "twenty trillion, seven hundred fifty-eight billion, one hundred forty-three million, eight hundred thirteen thousand, nine hundred forty-four".

Divisors: 1 2 4 8 41 82 137 164 274 328 548 1096 5617 11234 22468 44936 461949079 923898158 1847796316 3695592632 18939912239 37879824478 63287023823 75759648956 126574047646 151519297912 253148095292 506296190584 2594767976743 5189535953486 10379071906972 20758143813944