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2113431302154 = 2317181114474667
BaseRepresentation
bin11110110000010010010…
…100100111000000001010
321111001010122212001000010
4132300102110213000022
5234111301403132104
64254521423252350
7305455540443624
oct36602224470012
97431118761003
102113431302154
11745334966aa7
122a171ba4a0b6
131243ac8c6983
147440d66bc14
1539e96462489
hex1ec1252700a

2113431302154 has 32 divisors (see below), whose sum is σ = 4500228148416. Its totient is φ = 659374076160.

The previous prime is 2113431302153. The next prime is 2113431302237. The reversal of 2113431302154 is 4512031343112.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2113431302153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57218872 + ... + 57255795.

It is an arithmetic number, because the mean of its divisors is an integer number (140632129638).

Almost surely, 22113431302154 is an apocalyptic number.

2113431302154 is an abundant number, since it is smaller than the sum of its proper divisors (2386796846262).

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

2113431302154 is a wasteful number, since it uses less digits than its factorization.

2113431302154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114474870.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 2113431302154 its reverse (4512031343112), we get a palindrome (6625462645266).

The spelling of 2113431302154 in words is "two trillion, one hundred thirteen billion, four hundred thirty-one million, three hundred two thousand, one hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 181 362 543 1086 3077 6154 9231 18462 114474667 228949334 343424001 686848002 1946069339 3892138678 5838208017 11676416034 20719914727 41439829454 62159744181 124319488362 352238550359 704477100718 1056715651077 2113431302154