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12500127500140 = 2257241311103223
BaseRepresentation
bin1011010111100110100110…
…1010001100011101101100
31122021000000101012111100101
42311321221222030131230
53114300230120001030
642330251310040444
72430050545431400
oct265715152143554
948230011174311
1012500127500140
113a8a302107015
12149a7374a9124
136c89ac08c317
1431301bb11100
1516a254d3b7ca
hexb5e69a8c76c

12500127500140 has 72 divisors (see below), whose sum is σ = 31280806966752. Its totient is φ = 4181227303680.

The previous prime is 12500127500123. The next prime is 12500127500171. The reversal of 12500127500140 is 4100572100521.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12500127500099 and 12500127500108.

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, 155511432 + ... + 155591791.

It is an arithmetic number, because the mean of its divisors is an integer number (434455652316).

Almost surely, 212500127500140 is an apocalyptic number.

12500127500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12500127500140 is an abundant number, since it is smaller than the sum of its proper divisors (18780679466612).

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

12500127500140 is a wasteful number, since it uses less digits than its factorization.

12500127500140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311103287 (or 311103278 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

Adding to 12500127500140 its reverse (4100572100521), we get a palindrome (16600699600661).

The spelling of 12500127500140 in words is "twelve trillion, five hundred billion, one hundred twenty-seven million, five hundred thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 49 70 82 98 140 164 196 205 245 287 410 490 574 820 980 1148 1435 2009 2870 4018 5740 8036 10045 20090 40180 311103223 622206446 1244412892 1555516115 2177722561 3111032230 4355445122 6222064460 8710890244 10888612805 12755232143 15244057927 21777225610 25510464286 30488115854 43554451220 51020928572 60976231708 63776160715 76220289635 89286625001 127552321430 152440579270 178573250002 255104642860 304881158540 357146500004 446433125005 625006375007 892866250010 1250012750014 1785732500020 2500025500028 3125031875035 6250063750070 12500127500140