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10013121212 = 2243731375821
BaseRepresentation
bin10010101001101010…
…00001101010111100
3221211211110021001012
421110311001222330
5131001324334322
64333331534352
7503064061133
oct112465015274
927754407035
1010013121212
114279167196
121b3545a3b8
13c376328c3
146adbba91a
153d9100ae2
hex254d41abc

10013121212 has 48 divisors (see below), whose sum is σ = 18311913312. Its totient is φ = 4787112960.

The previous prime is 10013121197. The next prime is 10013121233. The reversal of 10013121212 is 21212131001.

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, 1717262 + ... + 1723082.

It is an arithmetic number, because the mean of its divisors is an integer number (381498194).

Almost surely, 210013121212 is an apocalyptic number.

It is an amenable number.

10013121212 is a deficient number, since it is larger than the sum of its proper divisors (8298792100).

10013121212 is a wasteful number, since it uses less digits than its factorization.

10013121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078 (or 6076 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10013121212 its reverse (21212131001), we get a palindrome (31225252213).

It can be divided in two parts, 1001 and 3121212, that added together give a palindrome (3122213).

The spelling of 10013121212 in words is "ten billion, thirteen million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 43 73 86 137 146 172 274 292 548 3139 5821 5891 6278 10001 11642 11782 12556 20002 23284 23564 40004 250303 424933 430043 500606 797477 849866 860086 1001212 1594954 1699732 1720172 3189908 18272119 34291511 36544238 58215821 68583022 73088476 116431642 137166044 232863284 2503280303 5006560606 10013121212