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30545187703872 = 263569932791387
BaseRepresentation
bin1101111000111110110110…
…00100000000110001000000
311000011002110122112200002120
412330133123010000301000
513000423021023010442
6144544133203444240
76301550140406502
oct674373304006100
9130132418480076
1030545187703872
119807161169266
123513a41686680
13140752533b72a
14778575b3dd72
1537e83ca764ec
hex1bc7db100c40

30545187703872 has 56 divisors (see below), whose sum is σ = 80818922777376. Its totient is φ = 10181546938368.

The previous prime is 30545187703871. The next prime is 30545187703873. The reversal of 30545187703872 is 27830778154503.

It is an interprime number because it is at equal distance from previous prime (30545187703871) and next prime (30545187703873).

It is not an unprimeable number, because it can be changed into a prime (30545187703871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9546963 + ... + 12338349.

It is an arithmetic number, because the mean of its divisors is an integer number (1443195049596).

Almost surely, 230545187703872 is an apocalyptic number.

30545187703872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30545187703872 is an abundant number, since it is smaller than the sum of its proper divisors (50273735073504).

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

30545187703872 is a wasteful number, since it uses less digits than its factorization.

30545187703872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848395 (or 2848385 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 60.

The spelling of 30545187703872 in words is "thirty trillion, five hundred forty-five billion, one hundred eighty-seven million, seven hundred three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 56993 113986 170979 227972 341958 455944 683916 911888 1367832 1823776 2735664 2791387 3647552 5471328 5582774 8374161 10942656 11165548 16748322 22331096 33496644 44662192 66993288 89324384 133986576 178648768 267973152 535946304 159089519291 318179038582 477268557873 636358077164 954537115746 1272716154328 1909074231492 2545432308656 3818148462984 5090864617312 7636296925968 10181729234624 15272593851936 30545187703872