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121333031201 = 241775364937
BaseRepresentation
bin111000100000000000…
…0110010000100100001
3102121011220111121112102
41301000000302010201
53441442223444301
6131423431540145
711523513514514
oct1610000620441
9377156447472
10121333031201
11475033731a8
121b62222a655
13b598418c25
145c303c4d7b
15325201cb6b
hex1c40032121

121333031201 has 8 divisors (see below), whose sum is σ = 121854078984. Its totient is φ = 120812129280.

The previous prime is 121333031191. The next prime is 121333031213. The reversal of 121333031201 is 102130333121.

It can be written as a sum of positive squares in 4 ways, for example, as 96621505600 + 24711525601 = 310840^2 + 157199^2 .

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 121333031201 - 26 = 121333031137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333031231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836005 + ... + 1900941.

It is an arithmetic number, because the mean of its divisors is an integer number (15231759873).

Almost surely, 2121333031201 is an apocalyptic number.

It is an amenable number.

121333031201 is a deficient number, since it is larger than the sum of its proper divisors (521047783).

121333031201 is an equidigital number, since it uses as much as digits as its factorization.

121333031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72931.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121333031201 its reverse (102130333121), we get a palindrome (223463364322).

The spelling of 121333031201 in words is "one hundred twenty-one billion, three hundred thirty-three million, thirty-one thousand, two hundred one".

Divisors: 1 241 7753 64937 1868473 15649817 503456561 121333031201