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30201312000 = 28353314597
BaseRepresentation
bin11100001000001000…
…110111001100000000
32212221210002121112010
4130020020313030000
5443323013441000
621512502532520
72116262626206
oct341010671400
985853077463
1030201312000
1111898942792
125a2a437140
132b03cbb622
14166708d076
15bbb641d50
hex708237300

30201312000 has 144 divisors (see below), whose sum is σ = 100313976672. Its totient is φ = 8053657600.

The previous prime is 30201311969. The next prime is 30201312023. The reversal of 30201312000 is 21310203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61299 + ... + 253298.

It is an arithmetic number, because the mean of its divisors is an integer number (696624838).

Almost surely, 230201312000 is an apocalyptic number.

30201312000 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 30201312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50156988336).

30201312000 is an abundant number, since it is smaller than the sum of its proper divisors (70112664672).

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

30201312000 is an equidigital number, since it uses as much as digits as its factorization.

30201312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314631 (or 314607 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30201312000 its reverse (21310203), we get a palindrome (30222622203).

The spelling of 30201312000 in words is "thirty billion, two hundred one million, three hundred twelve thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 128 150 160 192 200 240 250 256 300 320 375 384 400 480 500 600 640 750 768 800 960 1000 1200 1280 1500 1600 1920 2000 2400 3000 3200 3840 4000 4800 6000 6400 8000 9600 12000 16000 19200 24000 32000 48000 96000 314597 629194 943791 1258388 1572985 1887582 2516776 3145970 3775164 4718955 5033552 6291940 7550328 7864925 9437910 10067104 12583880 15100656 15729850 18875820 20134208 23594775 25167760 30201312 31459700 37751640 39324625 40268416 47189550 50335520 60402624 62919400 75503280 78649250 80536832 94379100 100671040 117973875 120805248 125838800 151006560 157298500 188758200 201342080 235947750 241610496 251677600 302013120 314597000 377516400 402684160 471895500 503355200 604026240 629194000 755032800 943791000 1006710400 1208052480 1258388000 1510065600 1887582000 2013420800 2516776000 3020131200 3775164000 5033552000 6040262400 7550328000 10067104000 15100656000 30201312000