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385801969115 = 5675101225769
BaseRepresentation
bin1011001110100111001…
…01101101110111011011
31100212211012110200010002
411213103211231313123
522310110301002430
6453122431043215
736605350425653
oct5472345556733
91325735420102
10385801969115
11139688176682
126293037050b
132a4c4cb4534
141495c69b363
15a0801e9845
hex59d396dddb

385801969115 has 16 divisors (see below), whose sum is σ = 469966444320. Its totient is φ = 303974035200.

The previous prime is 385801969093. The next prime is 385801969117. The reversal of 385801969115 is 511969108583.

It is a de Polignac number, because none of the positive numbers 2k-385801969115 is a prime.

It is a super-2 number, since 2×3858019691152 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (385801969117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595951 + ... + 1821719.

It is an arithmetic number, because the mean of its divisors is an integer number (29372902770).

Almost surely, 2385801969115 is an apocalyptic number.

385801969115 is a deficient number, since it is larger than the sum of its proper divisors (84164475205).

385801969115 is a wasteful number, since it uses less digits than its factorization.

385801969115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230942.

The product of its (nonzero) digits is 2332800, while the sum is 56.

The spelling of 385801969115 in words is "three hundred eighty-five billion, eight hundred one million, nine hundred sixty-nine thousand, one hundred fifteen".

Divisors: 1 5 67 335 5101 25505 225769 341767 1128845 1708835 15126523 75632615 1151647669 5758238345 77160393823 385801969115