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30001048224 = 253744644417
BaseRepresentation
bin11011111100001100…
…111010101010100000
32212102211021011021020
4123330030322222200
5442420232020344
621440550325440
72111311462620
oct337414725240
985384234236
1030001048224
11117a589a634
125993359880
132aa1671254
14164863c880
15ba8c84719
hex6fc33aaa0

30001048224 has 48 divisors (see below), whose sum is σ = 90003146688. Its totient is φ = 8571727872.

The previous prime is 30001048211. The next prime is 30001048249. The reversal of 30001048224 is 42284010003.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 30001048194 and 30001048203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22321537 + ... + 22322880.

It is an arithmetic number, because the mean of its divisors is an integer number (1875065556).

Almost surely, 230001048224 is an apocalyptic number.

It is an amenable number.

30001048224 is an abundant number, since it is smaller than the sum of its proper divisors (60002098464).

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

30001048224 is a wasteful number, since it uses less digits than its factorization.

30001048224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44644437 (or 44644429 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 30001048224 its reverse (42284010003), we get a palindrome (72285058227).

The spelling of 30001048224 in words is "thirty billion, one million, forty-eight thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 44644417 89288834 133933251 178577668 267866502 312510919 357155336 535733004 625021838 714310672 937532757 1071466008 1250043676 1428621344 1875065514 2142932016 2500087352 3750131028 4285864032 5000174704 7500262056 10000349408 15000524112 30001048224