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30045115400 = 2352829181213
BaseRepresentation
bin11011111110110101…
…000001010000001000
32212112220012000001212
4123332311001100020
5443013022143100
621445203032252
72112355160426
oct337665012010
985486160055
1030045115400
1111818758993
1259a606b688
132aaa8300c1
141650430116
15baca8b635
hex6fed41408

30045115400 has 48 divisors (see below), whose sum is σ = 69939543300. Its totient is φ = 12003482880.

The previous prime is 30045115391. The next prime is 30045115403. The reversal of 30045115400 is 451154003.

It can be written as a sum of positive squares in 6 ways, for example, as 3474159364 + 26570956036 = 58942^2 + 163006^2 .

It is not an unprimeable number, because it can be changed into a prime (30045115403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75194 + ... + 256406.

Almost surely, 230045115400 is an apocalyptic number.

It is an amenable number.

30045115400 is an abundant number, since it is smaller than the sum of its proper divisors (39894427900).

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

30045115400 is a wasteful number, since it uses less digits than its factorization.

30045115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182058 (or 182049 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 30045115400 its reverse (451154003), we get a palindrome (30496269403).

The spelling of 30045115400 in words is "thirty billion, forty-five million, one hundred fifteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 829 1658 3316 4145 6632 8290 16580 20725 33160 41450 82900 165800 181213 362426 724852 906065 1449704 1812130 3624260 4530325 7248520 9060650 18121300 36242600 150225577 300451154 600902308 751127885 1201804616 1502255770 3004511540 3755639425 6009023080 7511278850 15022557700 30045115400