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49980044238 = 23166919132609
BaseRepresentation
bin101110100011000010…
…101111001111001110
311210000012021022110120
4232203002233033032
51304324342403423
634543245445410
73416360236455
oct564302571716
9153005238416
1049980044238
111a218482a93
12982a270866
1349368a3797
1425c1c17b9c
151477c51ee3
hexba30af3ce

49980044238 has 32 divisors (see below), whose sum is σ = 100110621600. Its totient is φ = 16634950656.

The previous prime is 49980044189. The next prime is 49980044239. The reversal of 49980044238 is 83244008994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49980044239) 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, 19155478 + ... + 19158086.

It is an arithmetic number, because the mean of its divisors is an integer number (3128456925).

Almost surely, 249980044238 is an apocalyptic number.

49980044238 is an abundant number, since it is smaller than the sum of its proper divisors (50130577362).

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

49980044238 is a wasteful number, since it uses less digits than its factorization.

49980044238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 49980044238 in words is "forty-nine billion, nine hundred eighty million, forty-four thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 1669 1913 2609 3338 3826 5007 5218 5739 7827 10014 11478 15654 3192797 4354421 4991017 6385594 8708842 9578391 9982034 13063263 14973051 19156782 26126526 29946102 8330007373 16660014746 24990022119 49980044238