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4897536820 = 22511293720747
BaseRepresentation
bin1001000111110101…
…00111101100110100
3110122022120122111121
410203322213230310
540012232134240
62125551113324
7232236243001
oct44372475464
913568518447
104897536820
1120935939a0
12b48212844
13600864ba7
1434662c8a8
151d9e6704a
hex123ea7b34

4897536820 has 96 divisors (see below), whose sum is σ = 11920970880. Its totient is φ = 1672957440.

The previous prime is 4897536811. The next prime is 4897536859. The reversal of 4897536820 is 286357984.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 225687 + ... + 246433.

It is an arithmetic number, because the mean of its divisors is an integer number (124176780).

Almost surely, 24897536820 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 4897536820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5960485440).

4897536820 is an abundant number, since it is smaller than the sum of its proper divisors (7023434060).

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

4897536820 is a wasteful number, since it uses less digits than its factorization.

4897536820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20833 (or 20831 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 4897536820 is about 69982.4036454879. The cubic root of 4897536820 is about 1698.2145984581.

The spelling of 4897536820 in words is "four billion, eight hundred ninety-seven million, five hundred thirty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 29 37 44 55 58 74 110 116 145 148 185 220 290 319 370 407 580 638 740 814 1073 1276 1595 1628 2035 2146 3190 4070 4292 5365 6380 8140 10730 11803 20747 21460 23606 41494 47212 59015 82988 103735 118030 207470 228217 236060 414940 456434 601663 767639 912868 1141085 1203326 1535278 2282170 2406652 3008315 3070556 3838195 4564340 6016630 6618293 7676390 8444029 12033260 13236586 15352780 16888058 22261531 26473172 33091465 33776116 42220145 44523062 66182930 84440290 89046124 111307655 132365860 168880580 222615310 244876841 445230620 489753682 979507364 1224384205 2448768410 4897536820