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30514421544252 = 2232542868462021
BaseRepresentation
bin1101111000000101100010…
…10000011011010100111100
311000001011001111120211022020
412330002301100123110330
512444422013403404002
6144522044242120140
76266410545356232
oct674026120332474
9130034044524266
1030514421544252
1197a51034a8168
123509a96050050
131404661311759
14776c97a58952
1537db3ba5c2bc
hex1bc0b141b53c

30514421544252 has 12 divisors (see below), whose sum is σ = 71200316936616. Its totient is φ = 10171473848080.

The previous prime is 30514421544251. The next prime is 30514421544283. The reversal of 30514421544252 is 25244512441503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×305144215442522 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30514421544251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271434230999 + ... + 1271434231022.

It is an arithmetic number, because the mean of its divisors is an integer number (5933359744718).

Almost surely, 230514421544252 is an apocalyptic number.

It is an amenable number.

30514421544252 is an abundant number, since it is smaller than the sum of its proper divisors (40685895392364).

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

30514421544252 is a wasteful number, since it uses less digits than its factorization.

30514421544252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542868462028 (or 2542868462026 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 30514421544252 its reverse (25244512441503), we get a palindrome (55758933985755).

The spelling of 30514421544252 in words is "thirty trillion, five hundred fourteen billion, four hundred twenty-one million, five hundred forty-four thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 2542868462021 5085736924042 7628605386063 10171473848084 15257210772126 30514421544252