Search a number
-
+
85707959470 = 2572174914203
BaseRepresentation
bin100111111010010010…
…1111010110010101110
322012020010122110101021
41033310211322302232
52401012214200340
6103212415004354
76122631430600
oct1176445726256
9265203573337
1085707959470
11333919aa561
121473b5096ba
13810b85b923
144210c87170
15236966ae4a
hex13f497acae

85707959470 has 24 divisors (see below), whose sum is σ = 179461973304. Its totient is φ = 29385585936.

The previous prime is 85707959419. The next prime is 85707959471. The reversal of 85707959470 is 7495970758.

It is a super-2 number, since 2×857079594702 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85707959399 and 85707959408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85707959471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87456612 + ... + 87457591.

It is an arithmetic number, because the mean of its divisors is an integer number (7477582221).

Almost surely, 285707959470 is an apocalyptic number.

85707959470 is an abundant number, since it is smaller than the sum of its proper divisors (93754013834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85707959470 is a wasteful number, since it uses less digits than its factorization.

85707959470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174914224 (or 174914217 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 61.

The spelling of 85707959470 in words is "eighty-five billion, seven hundred seven million, nine hundred fifty-nine thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 174914203 349828406 874571015 1224399421 1749142030 2448798842 6121997105 8570795947 12243994210 17141591894 42853979735 85707959470