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105440220502 = 2137384818323
BaseRepresentation
bin110001000110010111…
…0100001010101010110
3101002011022101011210221
41202030232201111112
53211420144024002
6120234421504554
710421623041451
oct1421456412526
9332138334727
10105440220502
114079828a301
121852787215a
139c34922926
145163796498
152b21b4bc37
hex188cba1556

105440220502 has 8 divisors (see below), whose sum is σ = 159314786136. Its totient is φ = 52335291792.

The previous prime is 105440220481. The next prime is 105440220503. The reversal of 105440220502 is 205022044501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1054402205022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105440220503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192408888 + ... + 192409435.

It is an arithmetic number, because the mean of its divisors is an integer number (19914348267).

Almost surely, 2105440220502 is an apocalyptic number.

105440220502 is a deficient number, since it is larger than the sum of its proper divisors (53874565634).

105440220502 is a wasteful number, since it uses less digits than its factorization.

105440220502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384818462.

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 105440220502 in words is "one hundred five billion, four hundred forty million, two hundred twenty thousand, five hundred two".

Divisors: 1 2 137 274 384818323 769636646 52720110251 105440220502