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47421885500 = 22531128330467
BaseRepresentation
bin101100001010100100…
…001000110000111100
311112101220122101101122
4230022210020300330
51234110000314000
633441343330112
73266105242643
oct541244106074
9145356571348
1047421885500
1119125466510
1292355b0938
1346198c04a2
14241c18835a
151378389085
hexb0a908c3c

47421885500 has 96 divisors (see below), whose sum is σ = 113387758848. Its totient is φ = 17182824000.

The previous prime is 47421885491. The next prime is 47421885503. The reversal of 47421885500 is 558812474.

It is a super-2 number, since 2×474218855002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421885503) 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, 1541267 + ... + 1571733.

It is an arithmetic number, because the mean of its divisors is an integer number (1181122488).

Almost surely, 247421885500 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 47421885500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56693879424).

47421885500 is an abundant number, since it is smaller than the sum of its proper divisors (65965873348).

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

47421885500 is a wasteful number, since it uses less digits than its factorization.

47421885500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30780 (or 30768 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The spelling of 47421885500 in words is "forty-seven billion, four hundred twenty-one million, eight hundred eighty-five thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 125 220 250 275 283 500 550 566 1100 1132 1375 1415 2750 2830 3113 5500 5660 6226 7075 12452 14150 15565 28300 30467 31130 35375 60934 62260 70750 77825 121868 141500 152335 155650 304670 311300 335137 389125 609340 670274 761675 778250 1340548 1523350 1556500 1675685 3046700 3351370 3808375 6702740 7616750 8378425 8622161 15233500 16756850 17244322 33513700 34488644 41892125 43110805 83784250 86221610 94843771 167568500 172443220 189687542 215554025 379375084 431108050 474218855 862216100 948437710 1077770125 1896875420 2155540250 2371094275 4311080500 4742188550 9484377100 11855471375 23710942750 47421885500