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38721341207045 = 572550728699163
BaseRepresentation
bin10001100110111100000111…
…10010011011001000000101
312002002201112211211012112002
420303132003302123020011
520033402301322111140
6214204201044435045
711104344634452500
oct1063360362331005
9162081484735462
1038721341207045
11113796a0714682
1244145569a8a85
13187b5399accb3
1497c1a13c2137
1547236e692415
hex233783c9b205

38721341207045 has 24 divisors (see below), whose sum is σ = 54061648396704. Its totient is φ = 26546954443296.

The previous prime is 38721341207039. The next prime is 38721341207183. The reversal of 38721341207045 is 54070214312783.

It is not a de Polignac number, because 38721341207045 - 28 = 38721341206789 is a prime.

It is a super-2 number, since 2×387213412070452 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13000367 + ... + 15698796.

It is an arithmetic number, because the mean of its divisors is an integer number (2252568683196).

Almost surely, 238721341207045 is an apocalyptic number.

38721341207045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38721341207045 is a deficient number, since it is larger than the sum of its proper divisors (15340307189659).

38721341207045 is a wasteful number, since it uses less digits than its factorization.

38721341207045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28704689 (or 28704682 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 38721341207045 in words is "thirty-eight trillion, seven hundred twenty-one billion, three hundred forty-one million, two hundred seven thousand, forty-five".

Divisors: 1 5 7 35 49 245 5507 27535 38549 192745 269843 1349215 28699163 143495815 200894141 1004470705 1406258987 7031294935 158046290641 790231453205 1106324034487 5531620172435 7744268241409 38721341207045