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30001011000 = 2335346321599
BaseRepresentation
bin11011111100001100…
…110001100100111000
32212102211012021012120
4123330030301210320
5442420224323000
621440545441240
72111311246242
oct337414614470
985384167176
1030001011000
11117a5874674
125993340220
132aa165a31c
14164862d092
15ba8c786a0
hex6fc331938

30001011000 has 128 divisors (see below), whose sum is σ = 93809664000. Its totient is φ = 7982620800.

The previous prime is 30001010939. The next prime is 30001011011. The reversal of 30001011000 is 11010003.

It is a super-2 number, since 2×300010110002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 30001011000.

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, 1378201 + ... + 1399799.

It is an arithmetic number, because the mean of its divisors is an integer number (732888000).

Almost surely, 230001011000 is an apocalyptic number.

30001011000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30001011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46904832000).

30001011000 is an abundant number, since it is smaller than the sum of its proper divisors (63808653000).

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

30001011000 is a wasteful number, since it uses less digits than its factorization.

30001011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22086 (or 22072 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 30001011000 its reverse (11010003), we get a palindrome (30012021003).

The spelling of 30001011000 in words is "thirty billion, one million, eleven thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 463 500 600 750 926 1000 1389 1500 1852 2315 2778 3000 3704 4630 5556 6945 9260 11112 11575 13890 18520 21599 23150 27780 34725 43198 46300 55560 57875 64797 69450 86396 92600 107995 115750 129594 138900 172792 173625 215990 231500 259188 277800 323985 347250 431980 463000 518376 539975 647970 694500 863960 1079950 1295940 1389000 1619925 2159900 2591880 2699875 3239850 4319800 5399750 6479700 8099625 10000337 10799500 12959400 16199250 20000674 21599000 30001011 32398500 40001348 50001685 60002022 64797000 80002696 100003370 120004044 150005055 200006740 240008088 250008425 300010110 400013480 500016850 600020220 750025275 1000033700 1200040440 1250042125 1500050550 2000067400 2500084250 3000101100 3750126375 5000168500 6000202200 7500252750 10000337000 15000505500 30001011000