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12050524331 = 101293118967
BaseRepresentation
bin10110011100100010…
…00110100010101011
31011002211012001200222
423032101012202223
5144134413234311
65311432320255
7604423523666
oct131621064253
934084161628
1012050524331
11512423031a
12240384308b
1311a0774791
148246106dd
154a7e00adb
hex2ce4468ab

12050524331 has 4 divisors (see below), whose sum is σ = 12050744592. Its totient is φ = 12050304072.

The previous prime is 12050524303. The next prime is 12050524349. The reversal of 12050524331 is 13342505021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13342505021 = 88715042283.

It is a cyclic number.

It is not a de Polignac number, because 12050524331 - 214 = 12050507947 is a prime.

It is a super-2 number, since 2×120505243312 (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 12050524331.

It is not an unprimeable number, because it can be changed into a prime (12050524301) 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, 41810 + ... + 160776.

It is an arithmetic number, because the mean of its divisors is an integer number (3012686148).

Almost surely, 212050524331 is an apocalyptic number.

12050524331 is a deficient number, since it is larger than the sum of its proper divisors (220261).

12050524331 is a wasteful number, since it uses less digits than its factorization.

12050524331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220260.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12050524331 in words is "twelve billion, fifty million, five hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 101293 118967 12050524331