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85970105697 = 37217296911587
BaseRepresentation
bin101000000010000110…
…1111011010101100001
322012220101220212101210
41100010031323111201
52402031321340242
6103254421420333
76132263561400
oct1200415732541
9265811825353
1085970105697
1133506979933
12147b326a6a9
138150c64a38
144237a05637
15238269dd9c
hex140437b561

85970105697 has 48 divisors (see below), whose sum is σ = 141244741440. Its totient is φ = 46216461312.

The previous prime is 85970105681. The next prime is 85970105717. The reversal of 85970105697 is 79650107958.

It is not a de Polignac number, because 85970105697 - 24 = 85970105681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85970105647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7413738 + ... + 7425324.

It is an arithmetic number, because the mean of its divisors is an integer number (2942598780).

Almost surely, 285970105697 is an apocalyptic number.

It is an amenable number.

85970105697 is a deficient number, since it is larger than the sum of its proper divisors (55274635743).

85970105697 is a wasteful number, since it uses less digits than its factorization.

85970105697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590 (or 14583 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 57.

The spelling of 85970105697 in words is "eighty-five billion, nine hundred seventy million, one hundred five thousand, six hundred ninety-seven".

Divisors: 1 3 7 17 21 49 51 119 147 357 833 2499 2969 8907 11587 20783 34761 50473 62349 81109 145481 151419 196979 243327 353311 436443 567763 590937 1059933 1378853 1703289 2473177 4136559 7419531 9651971 28955913 34401803 103205409 240812621 584830651 722437863 1685688347 1754491953 4093814557 5057065041 12281443671 28656701899 85970105697