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49434243140 = 2252471712157
BaseRepresentation
bin101110000010100000…
…101011000001000100
311201121011020202010002
4232002200223001010
51302220131240030
634413151220432
73400012063562
oct560240530104
9151534222102
1049434243140
1119a683835a7
1296b7517718
13487a7a3559
14256d53ca32
151444d8d245
hexb8282b044

49434243140 has 12 divisors (see below), whose sum is σ = 103811910636. Its totient is φ = 19773697248.

The previous prime is 49434243097. The next prime is 49434243167. The reversal of 49434243140 is 4134243494.

It can be written as a sum of positive squares in 2 ways, for example, as 38547824896 + 10886418244 = 196336^2 + 104338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49434243094 and 49434243103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235856059 + ... + 1235856098.

It is an arithmetic number, because the mean of its divisors is an integer number (8650992553).

Almost surely, 249434243140 is an apocalyptic number.

It is an amenable number.

49434243140 is an abundant number, since it is smaller than the sum of its proper divisors (54377667496).

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

49434243140 is a wasteful number, since it uses less digits than its factorization.

49434243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471712166 (or 2471712164 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 49434243140 in words is "forty-nine billion, four hundred thirty-four million, two hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2471712157 4943424314 9886848628 12358560785 24717121570 49434243140