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13887625137500 = 22551139831947
BaseRepresentation
bin1100101000010111011011…
…1101101000110101011100
31211011122101110210110111002
43022011312331220311130
53310013324013400000
645311515323445432
72632230203650532
oct312056675506534
954148343713432
1013887625137500
1144747883821a4
121683621686878
1379979c73007a
14360243ad0152
151913b05978d5
hexca176f68d5c

13887625137500 has 72 divisors (see below), whose sum is σ = 30646063932624. Its totient is φ = 5505889760000.

The previous prime is 13887625137497. The next prime is 13887625137541. The reversal of 13887625137500 is 573152678831.

It is a super-2 number, since 2×138876251375002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3503474 + ... + 6328473.

It is an arithmetic number, because the mean of its divisors is an integer number (425639776842).

Almost surely, 213887625137500 is an apocalyptic number.

13887625137500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13887625137500 is an abundant number, since it is smaller than the sum of its proper divisors (16758438795124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13887625137500 is an equidigital number, since it uses as much as digits as its factorization.

13887625137500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832089 (or 9832067 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 13887625137500 in words is "thirteen trillion, eight hundred eighty-seven billion, six hundred twenty-five million, one hundred thirty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 125 226 250 452 500 565 625 1130 1250 2260 2500 2825 3125 5650 6250 11300 12500 14125 28250 56500 70625 141250 282500 353125 706250 1412500 9831947 19663894 39327788 49159735 98319470 196638940 245798675 491597350 983194700 1111010011 1228993375 2222020022 2457986750 4444040044 4915973500 5555050055 6144966875 11110100110 12289933750 22220200220 24579867500 27775250275 30724834375 55550500550 61449668750 111101001100 122899337500 138876251375 277752502750 555505005500 694381256875 1388762513750 2777525027500 3471906284375 6943812568750 13887625137500