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12938498288 = 241149170373
BaseRepresentation
bin11000000110011000…
…11101000011110000
31020101201001210222022
430003030131003300
5202444223421123
65535512531012
7635425264232
oct140314350360
936351053868
1012938498288
11553a4992a1
1226110b0a68
1312b271a361
148aa51a252
1550ad541c8
hex30331d0f0

12938498288 has 20 divisors (see below), whose sum is σ = 25070878248. Its totient is φ = 6468594240.

The previous prime is 12938498281. The next prime is 12938498317. The reversal of 12938498288 is 88289483921.

It is a self number, because there is not a number n which added to its sum of digits gives 12938498288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12938498281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148670 + ... + 219042.

Almost surely, 212938498288 is an apocalyptic number.

It is an amenable number.

12938498288 is a deficient number, since it is larger than the sum of its proper divisors (12132379960).

12938498288 is a wasteful number, since it uses less digits than its factorization.

12938498288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81872 (or 81866 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 62.

The spelling of 12938498288 in words is "twelve billion, nine hundred thirty-eight million, four hundred ninety-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 11491 22982 45964 70373 91928 140746 183856 281492 562984 1125968 808656143 1617312286 3234624572 6469249144 12938498288