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121486004901 = 36166647469
BaseRepresentation
bin111000100100100100…
…0010101001010100101
3102121120120100111000000
41301021020111022211
53442300404124101
6131450534411513
711530352001132
oct1611110251245
9377516314000
10121486004901
1147581756648
121b665500b99
13b5c1019501
145c46845589
153260688486
hex1c492152a5

121486004901 has 14 divisors (see below), whose sum is σ = 182145684710. Its totient is φ = 80990669448.

The previous prime is 121486004891. The next prime is 121486004903. The reversal of 121486004901 is 109400684121.

121486004901 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 8 + 600 + 49 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 79045884801 + 42440120100 = 281151^2 + 206010^2 .

It is not a de Polignac number, because 121486004901 - 217 = 121485873829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121486004903) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 83323006 + ... + 83324463.

Almost surely, 2121486004901 is an apocalyptic number.

It is an amenable number.

121486004901 is a deficient number, since it is larger than the sum of its proper divisors (60659679809).

121486004901 is an frugal number, since it uses more digits than its factorization.

121486004901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166647487 (or 166647472 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 121486004901 in words is "one hundred twenty-one billion, four hundred eighty-six million, four thousand, nine hundred one".

Divisors: 1 3 9 27 81 243 729 166647469 499942407 1499827221 4499481663 13498444989 40495334967 121486004901