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38846985580225 = 527129721812
BaseRepresentation
bin10001101010100110001001…
…10001101010111011000001
312002112201212012212200102001
420311103010301222323001
520042432111302031400
6214342020411424001
711116413342142414
oct1065230461527301
9162481765780361
1038846985580225
1111417a06691919
124434980a55001
13188a341389a44
149842c0203b7b
15475774e34a6a
hex2354c4c6aec1

38846985580225 has 81 divisors (see below), whose sum is σ = 49641412075803. Its totient is φ = 30156465024000.

The previous prime is 38846985580211. The next prime is 38846985580237. The reversal of 38846985580225 is 52208558964883.

The square root of 38846985580225 is 6232735.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 38548415135169 + 298570445056 = 6208737^2 + 546416^2 .

It is not a de Polignac number, because 38846985580225 - 221 = 38846983483073 is a prime.

It is a super-2 number, since 2×388469855802252 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 214624229635 + ... + 214624229815.

Almost surely, 238846985580225 is an apocalyptic number.

38846985580225 is the 6232735-th square number.

38846985580225 is the 3116368-th centered octagonal number.

It is an amenable number.

38846985580225 is a deficient number, since it is larger than the sum of its proper divisors (10794426495578).

38846985580225 is an frugal number, since it uses more digits than its factorization.

38846985580225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 1327104000, while the sum is 73.

The spelling of 38846985580225 in words is "thirty-eight trillion, eight hundred forty-six billion, nine hundred eighty-five million, five hundred eighty thousand, two hundred twenty-five".

Divisors: 1 5 25 71 97 181 355 485 905 1775 2425 4525 5041 6887 9409 12851 17557 25205 32761 34435 47045 64255 87785 126025 163805 172175 235225 321275 438925 488977 668039 819025 912421 1246547 1703029 2326031 2444885 3177817 3340195 4562105 6232735 8515145 11630155 12224425 15889085 16700975 22810525 31163675 42575725 47430769 58150775 79445425 88504837 120915059 165148201 225625007 237153845 308248249 442524185 604575295 825741005 1128125035 1185769225 1541241245 2212620925 3022876475 4128705025 5640625175 7706206225 8584969189 16019375497 21885625679 42924845945 80096877485 109428128395 214624229725 400484387425 547140641975 1553879423209 7769397116045 38846985580225