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31244434264808 = 2331693191386219
BaseRepresentation
bin1110001101010101010010…
…11001111101001011101000
311002121221100100022101201222
413012222221121331023220
513043402100132433213
6150241254524201212
76403223131201622
oct706525131751350
9132557310271658
1031244434264808
119a56765668a46
123607469999208
13145845067872b
147a034ad59c12
15392b15902808
hex1c6aa967d2e8

31244434264808 has 32 divisors (see below), whose sum is σ = 58620317112000. Its totient is φ = 15612352842240.

The previous prime is 31244434264741. The next prime is 31244434264889. The reversal of 31244434264808 is 80846243444213.

It is a self number, because there is not a number n which added to its sum of digits gives 31244434264808.

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, 80705123 + ... + 81091341.

It is an arithmetic number, because the mean of its divisors is an integer number (1831884909750).

Almost surely, 231244434264808 is an apocalyptic number.

It is an amenable number.

31244434264808 is a deficient number, since it is larger than the sum of its proper divisors (27375882847192).

31244434264808 is a wasteful number, since it uses less digits than its factorization.

31244434264808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392585 (or 392581 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 53.

The spelling of 31244434264808 in words is "thirty-one trillion, two hundred forty-four billion, four hundred thirty-four million, two hundred sixty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 3169 3191 6338 6382 12676 12764 25352 25528 386219 772438 1544876 3089752 10112279 20224558 40449116 80898232 1223928011 1232424829 2447856022 2464849658 4895712044 4929699316 9791424088 9859398632 3905554283101 7811108566202 15622217132404 31244434264808