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55075146104 = 23114011560733
BaseRepresentation
bin110011010010101111…
…000000100101111000
312021011021121022021002
4303102233000211320
51400243214133404
641145015304132
73656546006036
oct632257004570
9167137538232
1055075146104
11213a2536480
12a81067b048
13526934c564
142946793556
1516751e1c1e
hexcd2bc0978

55075146104 has 32 divisors (see below), whose sum is σ = 112934712240. Its totient is φ = 24971712000.

The previous prime is 55075146083. The next prime is 55075146121. The reversal of 55075146104 is 40164157055.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745079 + ... + 815654.

Almost surely, 255075146104 is an apocalyptic number.

It is an amenable number.

55075146104 is an abundant number, since it is smaller than the sum of its proper divisors (57859566136).

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

55075146104 is a wasteful number, since it uses less digits than its factorization.

55075146104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561151 (or 1561147 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 55075146104 in words is "fifty-five billion, seventy-five million, one hundred forty-six thousand, one hundred four".

Divisors: 1 2 4 8 11 22 44 88 401 802 1604 3208 4411 8822 17644 35288 1560733 3121466 6242932 12485864 17168063 34336126 68672252 137344504 625853933 1251707866 2503415732 5006831464 6884393263 13768786526 27537573052 55075146104