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121444232104 = 23134724845383
BaseRepresentation
bin111000100011010100…
…0111110101110101000
3102121110122202012111101
41301012220332232220
53442204210411404
6131442443211144
711526333640426
oct1610650765650
9377418665441
10121444232104
1147560115078
121b653516ab4
13b5b5481a90
145c41090116
15325bb862a4
hex1c46a3eba8

121444232104 has 32 divisors (see below), whose sum is σ = 250441470720. Its totient is φ = 54858603456.

The previous prime is 121444232099. The next prime is 121444232131. The reversal of 121444232104 is 401232444121.

It is a super-2 number, since 2×1214442321042 (a number of 23 digits) contains 22 as substring.

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, 12417804 + ... + 12427579.

It is an arithmetic number, because the mean of its divisors is an integer number (7826295960).

Almost surely, 2121444232104 is an apocalyptic number.

It is an amenable number.

121444232104 is an abundant number, since it is smaller than the sum of its proper divisors (128997238616).

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

121444232104 is a wasteful number, since it uses less digits than its factorization.

121444232104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24845449 (or 24845445 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 121444232104 its reverse (401232444121), we get a palindrome (522676676225).

The spelling of 121444232104 in words is "one hundred twenty-one billion, four hundred forty-four million, two hundred thirty-two thousand, one hundred four".

Divisors: 1 2 4 8 13 26 47 52 94 104 188 376 611 1222 2444 4888 24845383 49690766 99381532 198763064 322989979 645979958 1167733001 1291959916 2335466002 2583919832 4670932004 9341864008 15180529013 30361058026 60722116052 121444232104