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15132121251230 = 25109137409247759
BaseRepresentation
bin1101110000110011100010…
…1101100011110110011110
31222120121122112210100111202
43130030320231203312132
53440411041020014410
652103333414315502
73121155033250634
oct334147055436636
958517575710452
1015132121251230
114904550a530a5
121844858958b92
13859c50712c49
143a458199d354
151b394b83bca5
hexdc338b63d9e

15132121251230 has 64 divisors (see below), whose sum is σ = 27756156384000. Its totient is φ = 5938961430528.

The previous prime is 15132121251223. The next prime is 15132121251251. The reversal of 15132121251230 is 3215212123151.

It is a junction number, because it is equal to n+sod(n) for n = 15132121251193 and 15132121251202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60952091 + ... + 61199849.

It is an arithmetic number, because the mean of its divisors is an integer number (433689943500).

Almost surely, 215132121251230 is an apocalyptic number.

15132121251230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15132121251230 is a deficient number, since it is larger than the sum of its proper divisors (12624035132770).

15132121251230 is a wasteful number, since it uses less digits than its factorization.

15132121251230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248421.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 15132121251230 its reverse (3215212123151), we get a palindrome (18347333374381).

The spelling of 15132121251230 in words is "fifteen trillion, one hundred thirty-two billion, one hundred twenty-one million, two hundred fifty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 109 137 218 274 409 545 685 818 1090 1370 2045 4090 14933 29866 44581 56033 74665 89162 112066 149330 222905 247759 280165 445810 495518 560330 1238795 2477590 6107597 12215194 27005731 30537985 33942983 54011462 61075970 67885966 101333431 135028655 169714915 202666862 270057310 339429830 506667155 1013334310 3699785147 7399570294 11045343979 13882680047 18498925735 22090687958 27765360094 36997851470 55226719895 69413400235 110453439790 138826800470 1513212125123 3026424250246 7566060625615 15132121251230