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127378969485400 = 23521913334527997
BaseRepresentation
bin11100111101100110111010…
…001110100110000001011000
3121201000022101101200112210101
4130331212322032212001120
5113143434112142013100
61130525031333425144
735554553416006633
oct3475467216460130
9551008341615711
10127378969485400
1137650132569a76
1212352a9319b1b4
13560ca29356549
142365264370c1a
15ead6452c486a
hex73d9ba3a6058

127378969485400 has 48 divisors (see below), whose sum is σ = 297706659661440. Its totient is φ = 50684825539200.

The previous prime is 127378969485329. The next prime is 127378969485413. The reversal of 127378969485400 is 4584969873721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1667225799 + ... + 1667302198.

It is an arithmetic number, because the mean of its divisors is an integer number (6202222076280).

It is a 1-persistent number, because it is pandigital, but 2⋅127378969485400 = 254757938970800 is not.

Almost surely, 2127378969485400 is an apocalyptic number.

127378969485400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127378969485400 is an abundant number, since it is smaller than the sum of its proper divisors (170327690176040).

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

127378969485400 is a wasteful number, since it uses less digits than its factorization.

127378969485400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334528204 (or 3334528195 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 73.

The spelling of 127378969485400 in words is "one hundred twenty-seven trillion, three hundred seventy-eight billion, nine hundred sixty-nine million, four hundred eighty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 191 200 382 764 955 1528 1910 3820 4775 7640 9550 19100 38200 3334527997 6669055994 13338111988 16672639985 26676223976 33345279970 66690559940 83363199925 133381119880 166726399850 333452799700 636894847427 666905599400 1273789694854 2547579389708 3184474237135 5095158779416 6368948474270 12737896948540 15922371185675 25475793897080 31844742371350 63689484742700 127378969485400