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30210311000 = 235361796269
BaseRepresentation
bin11100001000101011…
…001100001101011000
32212222102000210211102
4130020223030031120
5443332314423000
621513423450532
72116432256312
oct341053141530
985872023742
1030210311000
11118a2a29881
125a31456a48
132b05b1c68c
1416683527b2
15bbc31d3d5
hex708acc358

30210311000 has 128 divisors (see below), whose sum is σ = 72772128000. Its totient is φ = 11733696000.

The previous prime is 30210310997. The next prime is 30210311051. The reversal of 30210311000 is 11301203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4815866 + ... + 4822134.

It is an arithmetic number, because the mean of its divisors is an integer number (568532250).

Almost surely, 230210311000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30210311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36386064000).

30210311000 is an abundant number, since it is smaller than the sum of its proper divisors (42561817000).

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

30210311000 is a wasteful number, since it uses less digits than its factorization.

30210311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430 (or 6416 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30210311000 its reverse (11301203), we get a palindrome (30221612203).

The spelling of 30210311000 in words is "thirty billion, two hundred ten million, three hundred eleven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 79 100 122 125 158 200 244 250 305 316 395 488 500 610 632 790 1000 1220 1525 1580 1975 2440 3050 3160 3950 4819 6100 6269 7625 7900 9638 9875 12200 12538 15250 15800 19276 19750 24095 25076 30500 31345 38552 39500 48190 50152 61000 62690 79000 96380 120475 125380 156725 192760 240950 250760 313450 382409 481900 495251 602375 626900 764818 783625 963800 990502 1204750 1253800 1529636 1567250 1912045 1981004 2409500 2476255 3059272 3134500 3824090 3962008 4819000 4952510 6269000 7648180 9560225 9905020 12381275 15296360 19120450 19810040 24762550 30210311 38240900 47801125 49525100 60420622 61906375 76481800 95602250 99050200 120841244 123812750 151051555 191204500 241682488 247625500 302103110 382409000 495251000 604206220 755257775 1208412440 1510515550 3021031100 3776288875 6042062200 7552577750 15105155500 30210311000