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121043013041 = 283427713827
BaseRepresentation
bin111000010111010111…
…0011100110110110001
3102120102200210011102002
41300232232130312301
53440344002404131
6131334551503345
711513362430516
oct1605656346661
9376380704362
10121043013041
1147374697275
121b561087b55
13b550304652
145c03a8d30d
1532368316cb
hex1c2eb9cdb1

121043013041 has 4 divisors (see below), whose sum is σ = 121470727152. Its totient is φ = 120615298932.

The previous prime is 121043013037. The next prime is 121043013061. The reversal of 121043013041 is 140310340121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121043013041 - 22 = 121043013037 is a prime.

It is a super-2 number, since 2×1210430130412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121043013001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213856631 + ... + 213857196.

It is an arithmetic number, because the mean of its divisors is an integer number (30367681788).

Almost surely, 2121043013041 is an apocalyptic number.

It is an amenable number.

121043013041 is a deficient number, since it is larger than the sum of its proper divisors (427714111).

121043013041 is an equidigital number, since it uses as much as digits as its factorization.

121043013041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427714110.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121043013041 its reverse (140310340121), we get a palindrome (261353353162).

The spelling of 121043013041 in words is "one hundred twenty-one billion, forty-three million, thirteen thousand, forty-one".

Divisors: 1 283 427713827 121043013041