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54051421332 = 2234966390697
BaseRepresentation
bin110010010101101101…
…110011110010010100
312011111221021200212210
4302111231303302110
51341144130440312
640455245313420
73622305333516
oct622555636224
9164457250783
1054051421332
1120a17688947
12a585865870
13513522675c
14288a82bbb6
1516153c5e3c
hexc95b73c94

54051421332 has 24 divisors (see below), whose sum is σ = 126123913216. Its totient is φ = 18016579008.

The previous prime is 54051421321. The next prime is 54051421337. The reversal of 54051421332 is 23312415045.

It is a super-2 number, since 2×540514213322 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54051421332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54051421337) 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 7 ways as a sum of consecutive naturals, for example, 550608 + ... + 641304.

Almost surely, 254051421332 is an apocalyptic number.

It is an amenable number.

54051421332 is an abundant number, since it is smaller than the sum of its proper divisors (72072491884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54051421332 is a wasteful number, since it uses less digits than its factorization.

54051421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140367 (or 140365 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 54051421332 its reverse (23312415045), we get a palindrome (77363836377).

The spelling of 54051421332 in words is "fifty-four billion, fifty-one million, four hundred twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 49663 90697 99326 148989 181394 198652 272091 297978 362788 544182 595956 1088364 4504285111 9008570222 13512855333 18017140444 27025710666 54051421332