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42320132452 = 221317127737489
BaseRepresentation
bin100111011010011110…
…011111100101100100
311001020100210110220001
4213122132133211210
51143132423214302
631235215151044
73025506122233
oct473236374544
9131210713801
1042320132452
1116a4767a984
128250b15484
133cb59561c0
14209679ab1a
15117a533787
hex9da79f964

42320132452 has 48 divisors (see below), whose sum is σ = 84517156080. Its totient is φ = 18368520192.

The previous prime is 42320132423. The next prime is 42320132471. The reversal of 42320132452 is 25423102324.

It can be written as a sum of positive squares in 8 ways, for example, as 3587530816 + 38732601636 = 59896^2 + 196806^2 .

It is a super-2 number, since 2×423201324522 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42320132452.

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, 1110124 + ... + 1147612.

It is an arithmetic number, because the mean of its divisors is an integer number (1760774085).

Almost surely, 242320132452 is an apocalyptic number.

It is an amenable number.

42320132452 is a deficient number, since it is larger than the sum of its proper divisors (42197023628).

42320132452 is a wasteful number, since it uses less digits than its factorization.

42320132452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38800 (or 38798 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 42320132452 its reverse (25423102324), we get a palindrome (67743234776).

The spelling of 42320132452 in words is "forty-two billion, three hundred twenty million, one hundred thirty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 1277 2554 5108 16601 21709 33202 37489 43418 66404 74978 86836 149956 282217 487357 564434 637313 974714 1128868 1274626 1949428 2549252 8285069 16570138 33140276 47873453 95746906 191493812 622354889 813848701 1244709778 1627697402 2489419556 3255394804 10580033113 21160066226 42320132452