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97885471907 = 894133266111
BaseRepresentation
bin101101100101001101…
…1011100010010100011
3100100122210210012000102
41123022123130102203
53100432140100112
6112545025213015
710033456532366
oct1331233342243
9310583705012
1097885471907
1138570884923
1216b7979116b
1392cc705ca2
144a482b20dd
15282d7a2bc2
hex16ca6dc4a3

97885471907 has 8 divisors (see below), whose sum is σ = 99009630720. Its totient is φ = 96761853760.

The previous prime is 97885471903. The next prime is 97885471913. The reversal of 97885471907 is 70917458879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97885471907 - 22 = 97885471903 is a prime.

It is a super-2 number, since 2×978854719072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97885471903) 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, 234782 + ... + 500892.

It is an arithmetic number, because the mean of its divisors is an integer number (12376203840).

Almost surely, 297885471907 is an apocalyptic number.

97885471907 is a deficient number, since it is larger than the sum of its proper divisors (1124158813).

97885471907 is a wasteful number, since it uses less digits than its factorization.

97885471907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270333.

The product of its (nonzero) digits is 35562240, while the sum is 65.

The spelling of 97885471907 in words is "ninety-seven billion, eight hundred eighty-five million, four hundred seventy-one thousand, nine hundred seven".

Divisors: 1 89 4133 266111 367837 23683879 1099836763 97885471907