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121304071444 = 2241579729359
BaseRepresentation
bin111000011111001001…
…0010011110100010100
3102121002220000022012211
41300332102103310110
53441412320241234
6131420515123204
711523012410653
oct1607622236424
9377086008184
10121304071444
1147498a93316
121b6145a3504
13b59241958a
145c2a60719a
15324e6ec164
hex1c3e493d14

121304071444 has 12 divisors (see below), whose sum is σ = 212287521600. Its totient is φ = 60650493848.

The previous prime is 121304071433. The next prime is 121304071459. The reversal of 121304071444 is 444170403121.

It is a happy number.

It is a super-3 number, since 3×1213040714443 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198364 + ... + 530995.

It is an arithmetic number, because the mean of its divisors is an integer number (17690626800).

Almost surely, 2121304071444 is an apocalyptic number.

It is an amenable number.

121304071444 is a deficient number, since it is larger than the sum of its proper divisors (90983450156).

121304071444 is a wasteful number, since it uses less digits than its factorization.

121304071444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770942 (or 770940 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 121304071444 its reverse (444170403121), we get a palindrome (565474474565).

The spelling of 121304071444 in words is "one hundred twenty-one billion, three hundred four million, seventy-one thousand, four hundred forty-four".

Divisors: 1 2 4 41579 83158 166316 729359 1458718 2917436 30326017861 60652035722 121304071444