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121322155085 = 5189191282543
BaseRepresentation
bin111000011111101011…
…1010010110001001101
3102121011011001001022022
41300333113102301031
53441431432430320
6131422402455525
711523322205645
oct1607727226115
9377134031268
10121322155085
11474a821487a
121b61a6645a5
13b5960ab661
145c2cb93525
1532510c0325
hex1c3f5d2c4d

121322155085 has 8 divisors (see below), whose sum is σ = 145594394880. Its totient is φ = 97052518224.

The previous prime is 121322155063. The next prime is 121322155093. The reversal of 121322155085 is 580551223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121322155085 - 26 = 121322155021 is a prime.

It is a congruent number.

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, 546677 + ... + 735866.

It is an arithmetic number, because the mean of its divisors is an integer number (18199299360).

Almost surely, 2121322155085 is an apocalyptic number.

It is an amenable number.

121322155085 is a deficient number, since it is larger than the sum of its proper divisors (24272239795).

121322155085 is a wasteful number, since it uses less digits than its factorization.

121322155085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301467.

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 121322155085 in words is "one hundred twenty-one billion, three hundred twenty-two million, one hundred fifty-five thousand, eighty-five".

Divisors: 1 5 18919 94595 1282543 6412715 24264431017 121322155085