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12305093941 = 71757870563
BaseRepresentation
bin10110111010111000…
…01101010100110101
31011202120012112120001
423131130031110311
5200200101001231
65353004511301
7613634400310
oct133534152465
934676175501
1012305093941
1152449a5228
122474b4b531
13121142709a
1484a359977
154c0438b61
hex2dd70d535

12305093941 has 4 divisors (see below), whose sum is σ = 14062964512. Its totient is φ = 10547223372.

The previous prime is 12305093897. The next prime is 12305093947. The reversal of 12305093941 is 14939050321.

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 not a de Polignac number, because 12305093941 - 221 = 12302996789 is a prime.

It is a super-2 number, since 2×123050939412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12305093941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305093947) 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 3 ways as a sum of consecutive naturals, for example, 878935275 + ... + 878935288.

It is an arithmetic number, because the mean of its divisors is an integer number (3515741128).

Almost surely, 212305093941 is an apocalyptic number.

12305093941 is the 64045-th hex number.

It is an amenable number.

12305093941 is a deficient number, since it is larger than the sum of its proper divisors (1757870571).

12305093941 is an equidigital number, since it uses as much as digits as its factorization.

12305093941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757870570.

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 12305093941 in words is "twelve billion, three hundred five million, ninety-three thousand, nine hundred forty-one".

Divisors: 1 7 1757870563 12305093941