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105454534440 = 2335878787787
BaseRepresentation
bin110001000110110010…
…1000111111100101000
3101002012022022101211210
41202031211013330220
53211432330100230
6120240052353120
710422155516163
oct1421545077450
9332168271753
10105454534440
11407a5376602
12185306157a0
139c37894c08
145165640ada
152b23027eb0
hex188d947f28

105454534440 has 32 divisors (see below), whose sum is σ = 316363603680. Its totient is φ = 28121209152.

The previous prime is 105454534439. The next prime is 105454534499. The reversal of 105454534440 is 44435454501.

105454534440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1054545344402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439393774 + ... + 439394013.

It is an arithmetic number, because the mean of its divisors is an integer number (9886362615).

Almost surely, 2105454534440 is an apocalyptic number.

105454534440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105454534440 is an abundant number, since it is smaller than the sum of its proper divisors (210909069240).

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

105454534440 is a wasteful number, since it uses less digits than its factorization.

105454534440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878787801 (or 878787797 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 105454534440 its reverse (44435454501), we get a palindrome (149889988941).

The spelling of 105454534440 in words is "one hundred five billion, four hundred fifty-four million, five hundred thirty-four thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 878787787 1757575574 2636363361 3515151148 4393938935 5272726722 7030302296 8787877870 10545453444 13181816805 17575755740 21090906888 26363633610 35151511480 52727267220 105454534440