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128300510678772 = 22320942775105203
BaseRepresentation
bin11101001011000001001010…
…010111010000111011110100
3121211021102001012000122010110
4131023001022113100323310
5113304033421213210042
61132512235123423020
736011256154630335
oct3513011227207364
9554242035018113
10128300510678772
1137975a39544213
12124815b9524a70
1356788bc8a3303
142397ac65c628c
15ec75cda0209c
hex74b04a5d0ef4

128300510678772 has 24 divisors (see below), whose sum is σ = 299368059835936. Its totient is φ = 42766808095008.

The previous prime is 128300510678761. The next prime is 128300510678777. The reversal of 128300510678772 is 277876015003821.

It is a super-2 number, since 2×1283005106787722 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128300510678777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22578723 + ... + 27683925.

Almost surely, 2128300510678772 is an apocalyptic number.

128300510678772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128300510678772 is an abundant number, since it is smaller than the sum of its proper divisors (171067549157164).

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

128300510678772 is a wasteful number, since it uses less digits than its factorization.

128300510678772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199487 (or 7199485 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 128300510678772 in words is "one hundred twenty-eight trillion, three hundred billion, five hundred ten million, six hundred seventy-eight thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 2094277 4188554 5105203 6282831 8377108 10210406 12565662 15315609 20420812 25131324 30631218 61262436 10691709223231 21383418446462 32075127669693 42766836892924 64150255339386 128300510678772