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31214350264 = 2347239419829
BaseRepresentation
bin11101000100100001…
…010010111110111000
32222120101022021202211
4131010201102332320
51002411333202024
622201211504504
72153343412426
oct350441227670
988511267684
1031214350264
1112268761399
126071758134
132c35b42256
141721832116
15c2a54b594
hex744852fb8

31214350264 has 64 divisors (see below), whose sum is σ = 60238080000. Its totient is φ = 15156586368.

The previous prime is 31214350261. The next prime is 31214350339. The reversal of 31214350264 is 46205341213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214350261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37652602 + ... + 37653430.

It is an arithmetic number, because the mean of its divisors is an integer number (941220000).

Almost surely, 231214350264 is an apocalyptic number.

It is an amenable number.

31214350264 is a deficient number, since it is larger than the sum of its proper divisors (29023729736).

31214350264 is a wasteful number, since it uses less digits than its factorization.

31214350264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 31214350264 its reverse (46205341213), we get a palindrome (77419691477).

The spelling of 31214350264 in words is "thirty-one billion, two hundred fourteen million, three hundred fifty thousand, two hundred sixty-four".

Divisors: 1 2 4 8 47 94 188 239 376 419 478 829 838 956 1658 1676 1912 3316 3352 6632 11233 19693 22466 38963 39386 44932 77926 78772 89864 100141 155852 157544 198131 200282 311704 347351 396262 400564 694702 792524 801128 1389404 1585048 2778808 4706627 9312157 9413254 16325497 18624314 18826508 32650994 37248628 37653016 65301988 74497256 83016889 130603976 166033778 332067556 664135112 3901793783 7803587566 15607175132 31214350264