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49172794944 = 26371311872371
BaseRepresentation
bin101101110010111011…
…010100111001000000
311200220221021210121120
4231302323110321000
51301201213414234
634331211352240
73360355601130
oct556273247100
9150827253546
1049172794944
1119943840709
129643a52680
134838583090
142546922ac0
15142be47049
hexb72ed4e40

49172794944 has 224 divisors, whose sum is σ = 160329286656. Its totient is φ = 12952258560.

The previous prime is 49172794939. The next prime is 49172794987. The reversal of 49172794944 is 44949727194.

49172794944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20738079 + ... + 20740449.

It is an arithmetic number, because the mean of its divisors is an integer number (715755744).

Almost surely, 249172794944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49172794944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80164643328).

49172794944 is an abundant number, since it is smaller than the sum of its proper divisors (111156491712).

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

49172794944 is a wasteful number, since it uses less digits than its factorization.

49172794944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593 (or 3583 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 49172794944 in words is "forty-nine billion, one hundred seventy-two million, seven hundred ninety-four thousand, nine hundred forty-four".