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49293949439 = 723337908527
BaseRepresentation
bin101101111010001001…
…011111100111111111
311201020101021002100002
4231322021133213333
51301423222340224
634351220224515
73363356441210
oct557211374777
9151211232302
1049293949439
11199a6170899
12967853b13b
1348576c2627
142558a5d407
1514378c99ae
hexb7a25f9ff

49293949439 has 16 divisors (see below), whose sum is σ = 58959833088. Its totient is φ = 40294945152.

The previous prime is 49293949421. The next prime is 49293949447. The reversal of 49293949439 is 93494939294.

It is not a de Polignac number, because 49293949439 - 212 = 49293945343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49293949339) 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, 400007 + ... + 508520.

It is an arithmetic number, because the mean of its divisors is an integer number (3684989568).

Almost surely, 249293949439 is an apocalyptic number.

49293949439 is a deficient number, since it is larger than the sum of its proper divisors (9665883649).

49293949439 is a wasteful number, since it uses less digits than its factorization.

49293949439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908894.

The product of its digits is 68024448, while the sum is 65.

The spelling of 49293949439 in words is "forty-nine billion, two hundred ninety-three million, nine hundred forty-nine thousand, four hundred thirty-nine".

Divisors: 1 7 23 161 337 2359 7751 54257 908527 6359689 20896121 146272847 306173599 2143215193 7041992777 49293949439