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71232205232 = 2431373881441
BaseRepresentation
bin100001001010111000…
…1010011000110110000
320210212021221221200102
41002111301103012300
52131340421031412
652420145211532
75101125516506
oct1022561230660
9223767857612
1071232205232
11282337a5101
121197b630ba8
136942806786
14363a52a676
151cbd8ad8c2
hex1095c531b0

71232205232 has 40 divisors (see below), whose sum is σ = 146314837632. Its totient is φ = 33535641600.

The previous prime is 71232205211. The next prime is 71232205271. The reversal of 71232205232 is 23250223217.

It is a junction number, because it is equal to n+sod(n) for n = 71232205195 and 71232205204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922369 + ... + 1959072.

Almost surely, 271232205232 is an apocalyptic number.

It is an amenable number.

71232205232 is an abundant number, since it is smaller than the sum of its proper divisors (75082632400).

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

71232205232 is a wasteful number, since it uses less digits than its factorization.

71232205232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881517 (or 3881511 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 71232205232 its reverse (23250223217), we get a palindrome (94482428449).

The spelling of 71232205232 in words is "seventy-one billion, two hundred thirty-two million, two hundred five thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 31 37 62 74 124 148 248 296 496 592 1147 2294 4588 9176 18352 3881441 7762882 15525764 31051528 62103056 120324671 143613317 240649342 287226634 481298684 574453268 962597368 1148906536 1925194736 2297813072 4452012827 8904025654 17808051308 35616102616 71232205232