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57049243260 = 22358299111259
BaseRepresentation
bin110101001000011001…
…100101111001111100
312110020212012211110120
4311020121211321330
51413314101241020
642112535134540
74056506365242
oct651031457174
9173225184416
1057049243260
11222158a0929
12b081814450
1354c2327799
142a92a28792
15173d689740
hexd48665e7c

57049243260 has 96 divisors (see below), whose sum is σ = 160233292800. Its totient is φ = 15166045440.

The previous prime is 57049243253. The next prime is 57049243283. The reversal of 57049243260 is 6234294075.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 45312511 + ... + 45313769.

It is an arithmetic number, because the mean of its divisors is an integer number (1669096800).

Almost surely, 257049243260 is an apocalyptic number.

It is an amenable number.

57049243260 is an abundant number, since it is smaller than the sum of its proper divisors (103184049540).

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

57049243260 is a wasteful number, since it uses less digits than its factorization.

57049243260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 57049243260 in words is "fifty-seven billion, forty-nine million, two hundred forty-three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 829 911 1259 1658 1822 2487 2518 2733 3316 3644 3777 4145 4555 4974 5036 5466 6295 7554 8290 9110 9948 10932 12435 12590 13665 15108 16580 18220 18885 24870 25180 27330 37770 49740 54660 75540 755219 1043711 1146949 1510438 2087422 2265657 2293898 3020876 3131133 3440847 3776095 4174844 4531314 4587796 5218555 5734745 6262266 6881694 7552190 9062628 10437110 11328285 11469490 12524532 13763388 15104380 15655665 17204235 20874220 22656570 22938980 31311330 34408470 45313140 62622660 68816940 950820721 1901641442 2852462163 3803282884 4754103605 5704924326 9508207210 11409848652 14262310815 19016414420 28524621630 57049243260