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14981978380348 = 2273749123294391
BaseRepresentation
bin1101101000000100001101…
…1111111101100000111100
31222001021002211111020122001
43122001003133331200330
53430431042431132343
651510343103432044
73104261251021330
oct332010337754074
958037084436561
1014981978380348
114856904241a41
12181b7362b5624
13848a4368c805
1439b1bb25b7c0
151aeab043a44d
hexda0437fd83c

14981978380348 has 48 divisors (see below), whose sum is σ = 30774524429824. Its totient is φ = 6247163050560.

The previous prime is 14981978380337. The next prime is 14981978380409. The reversal of 14981978380348 is 84308387918941.

It is a super-2 number, since 2×149819783803482 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50744233 + ... + 51038623.

Almost surely, 214981978380348 is an apocalyptic number.

It is an amenable number.

14981978380348 is an abundant number, since it is smaller than the sum of its proper divisors (15792546049476).

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

14981978380348 is a wasteful number, since it uses less digits than its factorization.

14981978380348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343562 (or 343560 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 73.

The spelling of 14981978380348 in words is "fourteen trillion, nine hundred eighty-one billion, nine hundred seventy-eight million, three hundred eighty thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 49123 98246 196492 294391 343861 588782 687722 1177564 1375444 1817551 2060737 3635102 4121474 7270204 8242948 10892467 12722857 21784934 25445714 43569868 50891428 76247269 152494538 304989076 14461369093 28922738186 57845476372 101229583651 202459167302 404918334604 535070656441 1070141312882 2140282625764 3745494595087 7490989190174 14981978380348