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420315572220 = 223522930590653
BaseRepresentation
bin1100001110111001100…
…00101010011111111100
31111011220111220100221120
412013130300222133330
523341301241302340
6521031301230540
742236545262355
oct6073460523774
91434814810846
10420315572220
11152289201505
1269562a02450
13308355069ab
14164b4352d2c
15ae001ec4d0
hex61dcc2a7fc

420315572220 has 48 divisors (see below), whose sum is σ = 1182022870560. Its totient is φ = 111594698496.

The previous prime is 420315572177. The next prime is 420315572273. The reversal of 420315572220 is 22275513024.

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, 15281587 + ... + 15309066.

It is an arithmetic number, because the mean of its divisors is an integer number (24625476470).

Almost surely, 2420315572220 is an apocalyptic number.

It is an amenable number.

420315572220 is an abundant number, since it is smaller than the sum of its proper divisors (761707298340).

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

420315572220 is a wasteful number, since it uses less digits than its factorization.

420315572220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590894 (or 30590892 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 420315572220 in words is "four hundred twenty billion, three hundred fifteen million, five hundred seventy-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 229 458 687 916 1145 1374 2290 2748 3435 4580 6870 13740 30590653 61181306 91771959 122362612 152953265 183543918 305906530 367087836 458859795 611813060 917719590 1835439180 7005259537 14010519074 21015778611 28021038148 35026297685 42031557222 70052595370 84063114444 105078893055 140105190740 210157786110 420315572220