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47491000304 = 2411737015273
BaseRepresentation
bin101100001110101011…
…110010011111110000
311112120201200210002012
4230032223302133300
51234230144002204
633452252542052
73300604561556
oct541653623760
9145521623065
1047491000304
1119160482490
129254781928
13462b00c117
142427419bd6
15137e48c76e
hexb0eaf27f0

47491000304 has 80 divisors (see below), whose sum is σ = 101918235744. Its totient is φ = 21256704000.

The previous prime is 47491000303. The next prime is 47491000309. The reversal of 47491000304 is 40300019474.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47491000303) 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, 9003812 + ... + 9009084.

Almost surely, 247491000304 is an apocalyptic number.

47491000304 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 47491000304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50959117872).

47491000304 is an abundant number, since it is smaller than the sum of its proper divisors (54427235440).

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

47491000304 is a wasteful number, since it uses less digits than its factorization.

47491000304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066 (or 6060 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 47491000304 its reverse (40300019474), we get a palindrome (87791019778).

The spelling of 47491000304 in words is "forty-seven billion, four hundred ninety-one million, three hundred four", and thus it is an aban number.

Divisors: 1 2 4 8 11 16 22 44 73 88 146 176 292 584 701 803 1168 1402 1606 2804 3212 5273 5608 6424 7711 10546 11216 12848 15422 21092 30844 42184 51173 58003 61688 84368 102346 116006 123376 204692 232012 384929 409384 464024 562903 769858 818768 928048 1125806 1539716 2251612 3079432 3696373 4234219 4503224 6158864 7392746 8468438 9006448 14785492 16936876 29570984 33873752 40660103 59141968 67747504 81320206 162640412 269835229 325280824 539670458 650561648 1079340916 2158681832 2968187519 4317363664 5936375038 11872750076 23745500152 47491000304