Search a number
-
+
385434221022 = 232131163458109
BaseRepresentation
bin1011001101111011010…
…10110111100111011110
31100211212120111010120100
411212331222313213132
522303332130033042
6453022133001530
736563263552044
oct5467552674736
91324776433510
10385434221022
1113950962a034
12628491832a6
132a466a55c06
14149258d0394
15a05cca724c
hex59bdab79de

385434221022 has 24 divisors (see below), whose sum is σ = 841482350280. Its totient is φ = 127497324240.

The previous prime is 385434221017. The next prime is 385434221041. The reversal of 385434221022 is 220122434583.

385434221022 is a `hidden beast` number, since 3 + 8 + 5 + 434 + 2 + 210 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81726697 + ... + 81731412.

It is an arithmetic number, because the mean of its divisors is an integer number (35061764595).

Almost surely, 2385434221022 is an apocalyptic number.

385434221022 is an abundant number, since it is smaller than the sum of its proper divisors (456048129258).

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

385434221022 is a wasteful number, since it uses less digits than its factorization.

385434221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163458248 (or 163458245 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 385434221022 in words is "three hundred eighty-five billion, four hundred thirty-four million, two hundred twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 9 18 131 262 393 786 1179 2358 163458109 326916218 490374327 980748654 1471122981 2942245962 21413012279 42826024558 64239036837 128478073674 192717110511 385434221022