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10002230312 = 231250278789
BaseRepresentation
bin10010101000010110…
…11110110000101000
3221211001221221112112
421110023132300220
5130441032332222
64332302301452
7502602361214
oct112413366050
927731857475
1010002230312
114272aa8748
121b31887888
13c352bb699
146ac583944
153d819dbe2
hex2542dec28

10002230312 has 8 divisors (see below), whose sum is σ = 18754181850. Its totient is φ = 5001115152.

The previous prime is 10002230281. The next prime is 10002230333. The reversal of 10002230312 is 21303220001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7627227556 + 2375002756 = 87334^2 + 48734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×100022303122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625139387 + ... + 625139402.

Almost surely, 210002230312 is an apocalyptic number.

It is an amenable number.

10002230312 is a deficient number, since it is larger than the sum of its proper divisors (8751951538).

10002230312 is a wasteful number, since it uses less digits than its factorization.

10002230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250278795 (or 1250278791 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 10002230312 its reverse (21303220001), we get a palindrome (31305450313).

The spelling of 10002230312 in words is "ten billion, two million, two hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 1250278789 2500557578 5001115156 10002230312