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49709750190 = 23567148116699
BaseRepresentation
bin101110010010111011…
…101001011110101110
311202022100122221201220
4232102323221132232
51303301144001230
634500352244210
73406565622252
oct562273513656
9152270587656
1049709750190
111a099949081
129773840666
1348c28a6b89
142597d78262
15145e15ed10
hexb92ee97ae

49709750190 has 64 divisors (see below), whose sum is σ = 121173062400. Its totient is φ = 13048485120.

The previous prime is 49709750161. The next prime is 49709750197. The reversal of 49709750190 is 9105790794.

It is a happy number.

It is a super-3 number, since 3×497097501903 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49709750197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2968461 + ... + 2985159.

It is an arithmetic number, because the mean of its divisors is an integer number (1893329100).

Almost surely, 249709750190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49709750190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60586531200).

49709750190 is an abundant number, since it is smaller than the sum of its proper divisors (71463312210).

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

49709750190 is a wasteful number, since it uses less digits than its factorization.

49709750190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18257.

The product of its (nonzero) digits is 714420, while the sum is 51.

The spelling of 49709750190 in words is "forty-nine billion, seven hundred nine million, seven hundred fifty thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 1481 2010 2962 4443 7405 8886 14810 16699 22215 33398 44430 50097 83495 99227 100194 166990 198454 250485 297681 496135 500970 595362 992270 1118833 1488405 2237666 2976810 3356499 5594165 6712998 11188330 16782495 24731219 33564990 49462438 74193657 123656095 148387314 247312190 370968285 741936570 1656991673 3313983346 4970975019 8284958365 9941950038 16569916730 24854875095 49709750190