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30252551331140 = 2251512627566557
BaseRepresentation
bin1101110000011101110001…
…00100110101110101000100
310222010010010022120122222022
412320032320210311311010
512431124211120044030
6144201455154422312
76241450265315165
oct670167044656504
9128103108518868
1030252551331140
1197040425a9136
123487192291998
1313b5a59c60828
1476833497176c
15376e11aacde5
hex1b83b8935d44

30252551331140 has 12 divisors (see below), whose sum is σ = 63530357795436. Its totient is φ = 12101020532448.

The previous prime is 30252551331097. The next prime is 30252551331329. The reversal of 30252551331140 is 4113315525203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13440714480964 + 16811836850176 = 3666158^2 + 4100224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30252551331140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756313783259 + ... + 756313783298.

It is an arithmetic number, because the mean of its divisors is an integer number (5294196482953).

Almost surely, 230252551331140 is an apocalyptic number.

It is an amenable number.

30252551331140 is an abundant number, since it is smaller than the sum of its proper divisors (33277806464296).

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

30252551331140 is a wasteful number, since it uses less digits than its factorization.

30252551331140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512627566566 (or 1512627566564 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 30252551331140 its reverse (4113315525203), we get a palindrome (34365866856343).

The spelling of 30252551331140 in words is "thirty trillion, two hundred fifty-two billion, five hundred fifty-one million, three hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1512627566557 3025255133114 6050510266228 7563137832785 15126275665570 30252551331140