Search a number
-
+
85788085292 = 22713235681553
BaseRepresentation
bin100111111100101011…
…1100100110000101100
322012102201102021100022
41033321113210300230
52401143222212132
6103224400221312
76124623456560
oct1177127446054
9265381367308
1085788085292
1133423157248
121476230a838
138122334360
14421b7836a0
1523716e6e12
hex13f95e4c2c

85788085292 has 24 divisors (see below), whose sum is σ = 184774338336. Its totient is φ = 33938143488.

The previous prime is 85788085291. The next prime is 85788085343. The reversal of 85788085292 is 29258088758.

It is not an unprimeable number, because it can be changed into a prime (85788085291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117840413 + ... + 117841140.

It is an arithmetic number, because the mean of its divisors is an integer number (7698930764).

Almost surely, 285788085292 is an apocalyptic number.

It is an amenable number.

85788085292 is an abundant number, since it is smaller than the sum of its proper divisors (98986253044).

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

85788085292 is a wasteful number, since it uses less digits than its factorization.

85788085292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235681577 (or 235681575 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 62.

The spelling of 85788085292 in words is "eighty-five billion, seven hundred eighty-eight million, eighty-five thousand, two hundred ninety-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 235681553 471363106 942726212 1649770871 3063860189 3299541742 6127720378 6599083484 12255440756 21447021323 42894042646 85788085292