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912224960642 = 2372182532
BaseRepresentation
bin11010100011001001101…
…10000100000010000010
310020012121112012102120102
431101210312010002002
5104421214042220032
61535023110442402
7122622533141132
oct15214466040202
93205545172512
10912224960642
11321966232756
12128966363402
136803a407228
143221ac42ac2
1518ae08d7362
hexd464d84082

912224960642 has 18 divisors (see below), whose sum is σ = 1406396100123. Its totient is φ = 443760802992.

The previous prime is 912224960629. The next prime is 912224960659. The reversal of 912224960642 is 246069422219.

It can be written as a sum of positive squares in 5 ways, for example, as 215415728641 + 696809232001 = 464129^2 + 834751^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=675361.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49967588 + ... + 49985840.

Almost surely, 2912224960642 is an apocalyptic number.

912224960642 is a deficient number, since it is larger than the sum of its proper divisors (494171139481).

912224960642 is an frugal number, since it uses more digits than its factorization.

912224960642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36582 (or 18292 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 912224960642 in words is "nine hundred twelve billion, two hundred twenty-four million, nine hundred sixty thousand, six hundred forty-two".

Divisors: 1 2 37 74 1369 2738 18253 36506 675361 1350722 24988357 49976714 333172009 666344018 12327364333 24654728666 456112480321 912224960642