Search a number
-
+
20310330564352 = 28235036857743
BaseRepresentation
bin1001001111000110111100…
…00010011101111100000000
32122220122111212011120120101
410213203132002131330000
510130231024111024402
6111110234223052144
74164241632214543
oct447433602357400
978818455146511
1020310330564352
116520621129224
122340340741054
13b4434343c6ca
1450304d3b085a
152534b944cb87
hex1278de09df00

20310330564352 has 72 divisors (see below), whose sum is σ = 42388099697664. Its totient is φ = 9694323538944.

The previous prime is 20310330564331. The next prime is 20310330564409. The reversal of 20310330564352 is 25346503301302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467208 + ... + 6390535.

It is an arithmetic number, because the mean of its divisors is an integer number (588723606912).

Almost surely, 220310330564352 is an apocalyptic number.

It is an amenable number.

20310330564352 is an abundant number, since it is smaller than the sum of its proper divisors (22077769133312).

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

20310330564352 is an equidigital number, since it uses as much as digits as its factorization.

20310330564352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858285 (or 6858271 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 20310330564352 its reverse (25346503301302), we get a palindrome (45656833865654).

The spelling of 20310330564352 in words is "twenty trillion, three hundred ten billion, three hundred thirty million, five hundred sixty-four thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 256 368 503 736 1006 1472 2012 2944 4024 5888 8048 11569 16096 23138 32192 46276 64384 92552 128768 185104 370208 740416 1480832 2961664 6857743 13715486 27430972 54861944 109723888 157728089 219447776 315456178 438895552 630912356 877791104 1261824712 1755582208 2523649424 3449444729 5047298848 6898889458 10094597696 13797778916 20189195392 27595557832 40378390784 55191115664 79337228767 110382231328 158674457534 220764462656 317348915068 441528925312 634697830136 883057850624 1269395660272 2538791320544 5077582641088 10155165282176 20310330564352