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103240434140 = 22519271685353
BaseRepresentation
bin110000000100110011…
…1000000000111011100
3100212111000002110012222
41200021213000013130
53142414022343030
6115232240444512
710313252132234
oct1401147000734
9325430073188
10103240434140
113a869596248
1218013019738
139973c675ac
144dd5572cc4
152a439733e5
hex18099c01dc

103240434140 has 24 divisors (see below), whose sum is σ = 228215697360. Its totient is φ = 39122690688.

The previous prime is 103240434137. The next prime is 103240434161. The reversal of 103240434140 is 41434042301.

It is a congruent number.

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, 135842297 + ... + 135843056.

It is an arithmetic number, because the mean of its divisors is an integer number (9508987390).

Almost surely, 2103240434140 is an apocalyptic number.

103240434140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103240434140 is an abundant number, since it is smaller than the sum of its proper divisors (124975263220).

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

103240434140 is a wasteful number, since it uses less digits than its factorization.

103240434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271685381 (or 271685379 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 103240434140 its reverse (41434042301), we get a palindrome (144674476441).

The spelling of 103240434140 in words is "one hundred three billion, two hundred forty million, four hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 271685353 543370706 1086741412 1358426765 2716853530 5162021707 5433707060 10324043414 20648086828 25810108535 51620217070 103240434140