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47498895444 = 2237111315112617
BaseRepresentation
bin101100001111001001…
…111010000001010100
311112121021112220011210
4230033021322001110
51234234204123234
633453134101420
73301031643510
oct541711720124
9145537486153
1047498895444
11191649851a0
12925734a870
13462c8448c0
1424284b3140
15137eeebbe9
hexb0f27a054

47498895444 has 192 divisors, whose sum is σ = 148963110912. Its totient is φ = 11376460800.

The previous prime is 47498895443. The next prime is 47498895449. The reversal of 47498895444 is 44459889474.

It is a super-2 number, since 2×474988954442 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47498895443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18148824 + ... + 18151440.

It is an arithmetic number, because the mean of its divisors is an integer number (775849536).

Almost surely, 247498895444 is an apocalyptic number.

47498895444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47498895444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74481555456).

47498895444 is an abundant number, since it is smaller than the sum of its proper divisors (101464215468).

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

47498895444 is a wasteful number, since it uses less digits than its factorization.

47498895444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166 (or 4164 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 66.

The spelling of 47498895444 in words is "forty-seven billion, four hundred ninety-eight million, eight hundred ninety-five thousand, four hundred forty-four".