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30111525511025 = 5273491423346469
BaseRepresentation
bin1101101100010111000101…
…10010000001111101110001
310221121122002222121201120112
412312023202302001331301
512421321401012323100
6144013013245551105
76225325446525530
oct666134262017561
9127548088551515
1030111525511025
11965a254166182
123463994b75495
1313a56739c10aa
14761596dd4317
1537340aca9b35
hex1b62e2c81f71

30111525511025 has 48 divisors (see below), whose sum is σ = 42824800704000. Its totient is φ = 20574212232960.

The previous prime is 30111525511019. The next prime is 30111525511037. The reversal of 30111525511025 is 52011552511103.

It is not a de Polignac number, because 30111525511025 - 214 = 30111525494641 is a prime.

It is a super-2 number, since 2×301115255110252 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30111525510982 and 30111525511000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86736491 + ... + 87082959.

It is an arithmetic number, because the mean of its divisors is an integer number (892183348000).

Almost surely, 230111525511025 is an apocalyptic number.

30111525511025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30111525511025 is a deficient number, since it is larger than the sum of its proper divisors (12713275192975).

30111525511025 is a wasteful number, since it uses less digits than its factorization.

30111525511025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348258 (or 348253 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 32.

The spelling of 30111525511025 in words is "thirty trillion, one hundred eleven billion, five hundred twenty-five million, five hundred eleven thousand, twenty-five".

Divisors: 1 5 7 25 35 175 349 1423 1745 2443 7115 8725 9961 12215 35575 49805 61075 249025 346469 496627 1732345 2425283 2483135 3476389 8661725 12126415 12415675 17381945 60632075 86909725 120917681 493025387 604588405 846423767 2465126935 3022942025 3451177709 4232118835 12325634675 17255888545 21160594175 86279442725 172065860063 860329300315 1204461020441 4301646501575 6022305102205 30111525511025