Search a number
-
+
542513604220 = 22575373115041
BaseRepresentation
bin1111110010100000101…
…01001010011001111100
31220212022201001120111121
413321100111022121330
532342031440313340
61053121033200324
754123664356340
oct7712025123174
91825281046447
10542513604220
1119a0958715a5
12891868600a4
133c20abb39c3
141c387583620
15e1a313194a
hex7e5054a67c

542513604220 has 48 divisors (see below), whose sum is σ = 1326599322048. Its totient is φ = 182495139840.

The previous prime is 542513604179. The next prime is 542513604233. The reversal of 542513604220 is 22406315245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36550101 + ... + 36564940.

It is an arithmetic number, because the mean of its divisors is an integer number (27637485876).

Almost surely, 2542513604220 is an apocalyptic number.

It is an amenable number.

542513604220 is an abundant number, since it is smaller than the sum of its proper divisors (784085717828).

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

542513604220 is a wasteful number, since it uses less digits than its factorization.

542513604220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73115110 (or 73115108 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 542513604220 its reverse (22406315245), we get a palindrome (564919919465).

The spelling of 542513604220 in words is "five hundred forty-two billion, five hundred thirteen million, six hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 53 70 106 140 212 265 371 530 742 1060 1484 1855 3710 7420 73115041 146230082 292460164 365575205 511805287 731150410 1023610574 1462300820 2047221148 2559026435 3875097173 5118052870 7750194346 10236105740 15500388692 19375485865 27125680211 38750971730 54251360422 77501943460 108502720844 135628401055 271256802110 542513604220