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1405000011 = 3192331181191
BaseRepresentation
bin101001110111110…
…1001100101001011
310121220202101200110
41103233221211023
510334140000021
6351230005403
746550205642
oct12357514513
93556671613
101405000011
116610a4338
12332646863
1319510c56c
14d4854359
1583531476
hex53be994b

1405000011 has 64 divisors (see below), whose sum is σ = 2146959360. Its totient is φ = 812592000.

The previous prime is 1404999997. The next prime is 1405000027. The reversal of 1405000011 is 1100005041.

It is a happy number.

It is not a de Polignac number, because 1405000011 - 215 = 1404967243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405000061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7355926 + ... + 7356116.

It is an arithmetic number, because the mean of its divisors is an integer number (33546240).

Almost surely, 21405000011 is an apocalyptic number.

1405000011 is a deficient number, since it is larger than the sum of its proper divisors (741959349).

1405000011 is a wasteful number, since it uses less digits than its factorization.

1405000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1405000011 is about 37483.3297747145. The cubic root of 1405000011 is about 1120.0191352492.

Adding to 1405000011 its reverse (1100005041), we get a palindrome (2505005052).

The spelling of 1405000011 in words is "one billion, four hundred five million, eleven", and thus it is an aban number.

Divisors: 1 3 19 23 31 57 69 93 181 191 437 543 573 589 713 1311 1767 2139 3439 3629 4163 4393 5611 5921 10317 10887 12489 13179 13547 16833 17763 34571 40641 79097 83467 103713 106609 112499 129053 136183 237291 250401 319827 337497 387159 408549 656849 795133 1071701 1970547 2385399 2452007 2587477 3215103 7356021 7762431 15107527 20362319 24649123 45322581 61086957 73947369 468333337 1405000011