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71293733344 = 257477297971
BaseRepresentation
bin100001001100101110…
…0000000100111100000
320211000120201220101101
41002121130000213200
52132002143431334
652430224044144
75102503506661
oct1023134004740
9224016656341
1071293733344
11282654aa089
1211998163654
13695249a142
143644785368
151cc3eb4214
hex10997009e0

71293733344 has 24 divisors (see below), whose sum is σ = 140378780808. Its totient is φ = 35641979520.

The previous prime is 71293733341. The next prime is 71293733447. The reversal of 71293733344 is 44333739217.

It is a junction number, because it is equal to n+sod(n) for n = 71293733294 and 71293733303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71293733341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90279 + ... + 388249.

It is an arithmetic number, because the mean of its divisors is an integer number (5849115867).

Almost surely, 271293733344 is an apocalyptic number.

It is an amenable number.

71293733344 is a deficient number, since it is larger than the sum of its proper divisors (69085047464).

71293733344 is a wasteful number, since it uses less digits than its factorization.

71293733344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305458 (or 305450 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 46.

It can be divided in two parts, 7129 and 3733344, that added together give a palindrome (3740473).

The spelling of 71293733344 in words is "seventy-one billion, two hundred ninety-three million, seven hundred thirty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 7477 14954 29908 59816 119632 239264 297971 595942 1191884 2383768 4767536 9535072 2227929167 4455858334 8911716668 17823433336 35646866672 71293733344