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30203044000 = 255359127979
BaseRepresentation
bin11100001000001111…
…011110000010100000
32212221220100121101021
4130020033132002200
5443323434402000
621513004015224
72116313431603
oct341017360240
985856317337
1030203044000
1111899915a98
125a2ab31514
132b04476a8c
1416673c033a
15bbb88511a
hex7083de0a0

30203044000 has 96 divisors (see below), whose sum is σ = 75467246400. Its totient is φ = 11876358400.

The previous prime is 30203043989. The next prime is 30203044007. The reversal of 30203044000 is 44030203.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (30203044007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172011 + ... + 299989.

It is an arithmetic number, because the mean of its divisors is an integer number (786117150).

Almost surely, 230203044000 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 30203044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37733623200).

30203044000 is an abundant number, since it is smaller than the sum of its proper divisors (45264202400).

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

30203044000 is a wasteful number, since it uses less digits than its factorization.

30203044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128063 (or 128045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30203044000 its reverse (44030203), we get a palindrome (30247074203).

The spelling of 30203044000 in words is "thirty billion, two hundred three million, forty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 59 80 100 118 125 160 200 236 250 295 400 472 500 590 800 944 1000 1180 1475 1888 2000 2360 2950 4000 4720 5900 7375 9440 11800 14750 23600 29500 47200 59000 118000 127979 236000 255958 511916 639895 1023832 1279790 2047664 2559580 3199475 4095328 5119160 6398950 7550761 10238320 12797900 15101522 15997375 20476640 25595800 30203044 31994750 37753805 51191600 60406088 63989500 75507610 102383200 120812176 127979000 151015220 188769025 241624352 255958000 302030440 377538050 511916000 604060880 755076100 943845125 1208121760 1510152200 1887690250 3020304400 3775380500 6040608800 7550761000 15101522000 30203044000