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85863031806125 = 537805312185419
BaseRepresentation
bin10011100001011110001011…
…100000101001100010101101
3102021000102111022120101220202
4103201132023200221202231
542223234442120244000
6502340533211523245
724041253654155240
oct2341361340514255
9367012438511822
1085863031806125
11253a4342012252
1297689b7759525
1338bab0679c642
14172bb15a7b257
159dd763e27dd5
hex4e178b8298ad

85863031806125 has 32 divisors (see below), whose sum is σ = 122480433104640. Its totient is φ = 58870191441600.

The previous prime is 85863031806121. The next prime is 85863031806131. The reversal of 85863031806125 is 52160813036858.

It is a happy number.

It is not a de Polignac number, because 85863031806125 - 22 = 85863031806121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85863031806121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953666 + ... + 13139084.

It is an arithmetic number, because the mean of its divisors is an integer number (3827513534520).

Almost surely, 285863031806125 is an apocalyptic number.

It is an amenable number.

85863031806125 is a deficient number, since it is larger than the sum of its proper divisors (36617401298515).

85863031806125 is a wasteful number, since it uses less digits than its factorization.

85863031806125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12193494 (or 12193484 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 85863031806125 in words is "eighty-five trillion, eight hundred sixty-three billion, thirty-one million, eight hundred six thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 8053 40265 56371 201325 281855 1006625 1409275 7046375 12185419 60927095 85297933 304635475 426489665 1523177375 2132448325 10662241625 98129179207 490645896035 686904254449 2453229480175 3434521272245 12266147400875 17172606361225 85863031806125