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128270967552000 = 21136537213283
BaseRepresentation
bin11101001010100101101001…
…011101001011100000000000
3121211011120210021102022000000
4131022211221131023200000
5113303042420143131000
61132450511412000000
736006162103325400
oct3512455135134000
9554146707368000
10128270967552000
1137964459190869
1212477933600000
135675b92073500
1423964c2b08800
15ec6950073000
hex74a96974b800

128270967552000 has 6048 divisors, whose sum is σ = 611792146733040. Its totient is φ = 26737695129600.

The previous prime is 128270967551981. The next prime is 128270967552029. The reversal of 128270967552000 is 255769072821.

128270967552000 is a `hidden beast` number, since 1 + 2 + 8 + 27 + 0 + 9 + 67 + 552 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (6048).

It is a super-2 number, since 2×1282709675520002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 503 ways as a sum of consecutive naturals, for example, 1545433343959 + ... + 1545433344041.

Almost surely, 2128270967552000 is an apocalyptic number.

128270967552000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128270967552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305896073366520).

128270967552000 is an abundant number, since it is smaller than the sum of its proper divisors (483521179181040).

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

128270967552000 is an frugal number, since it uses more digits than its factorization.

128270967552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 128270967552000 in words is "one hundred twenty-eight trillion, two hundred seventy billion, nine hundred sixty-seven million, five hundred fifty-two thousand".