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121302440301 = 3729443521863
BaseRepresentation
bin111000011111000110…
…0000101100101101101
3102121002202221102201010
41300332030011211231
53441411411042201
6131420420135433
711522662505310
oct1607614054555
9377082842633
10121302440301
1147498079869
121b613b37579
13b591c97cc3
145c2a300977
15324e4c8bd6
hex1c3e30596d

121302440301 has 64 divisors (see below), whose sum is σ = 192237649920. Its totient is φ = 66569018880.

The previous prime is 121302440293. The next prime is 121302440327. The reversal of 121302440301 is 103044203121.

It is not a de Polignac number, because 121302440301 - 23 = 121302440293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302440341) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 140558596 + ... + 140559458.

It is an arithmetic number, because the mean of its divisors is an integer number (3003713280).

Almost surely, 2121302440301 is an apocalyptic number.

It is an amenable number.

121302440301 is a deficient number, since it is larger than the sum of its proper divisors (70935209619).

121302440301 is a wasteful number, since it uses less digits than its factorization.

121302440301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121302440301 its reverse (103044203121), we get a palindrome (224346643422).

The spelling of 121302440301 in words is "one hundred twenty-one billion, three hundred two million, four hundred forty thousand, three hundred one".

Divisors: 1 3 7 21 29 87 203 443 521 609 863 1329 1563 2589 3101 3647 6041 9303 10941 12847 15109 18123 25027 38541 45327 75081 89929 105763 175189 230803 269787 317289 382309 449623 525567 692409 1146927 1348869 1615621 2676163 3147361 4846863 6693287 8028489 9442083 11086961 13039067 20079861 33260883 39117201 46853009 77608727 91273469 140559027 199182989 232826181 273820407 597548967 1394280923 4182842769 5776306681 17328920043 40434146767 121302440301