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105040215340 = 2255252010767
BaseRepresentation
bin110000111010011100…
…0100111110100101100
3101001010102200210212221
41201310320213310230
53210110243342330
6120131012205124
710405665045604
oct1416470476454
9331112623787
10105040215340
1140602510525
12184359097a4
139b9caabb98
1451265cdc04
152aeb986b7a
hex1874e27d2c

105040215340 has 12 divisors (see below), whose sum is σ = 220584452256. Its totient is φ = 42016086128.

The previous prime is 105040215317. The next prime is 105040215361. The reversal of 105040215340 is 43512040501.

It is a happy number.

It is a super-2 number, since 2×1050402153402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626005364 + ... + 2626005403.

It is an arithmetic number, because the mean of its divisors is an integer number (18382037688).

Almost surely, 2105040215340 is an apocalyptic number.

105040215340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105040215340 is an abundant number, since it is smaller than the sum of its proper divisors (115544236916).

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

105040215340 is a wasteful number, since it uses less digits than its factorization.

105040215340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252010776 (or 5252010774 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 105040215340 its reverse (43512040501), we get a palindrome (148552255841).

The spelling of 105040215340 in words is "one hundred five billion, forty million, two hundred fifteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5252010767 10504021534 21008043068 26260053835 52520107670 105040215340