Search a number
-
+
28028554144192 = 26783753779963
BaseRepresentation
bin1100101111101111010000…
…00000110110100111000000
310200020111121010111201121001
412113313220000312213000
512133204434330103232
6135340050124341344
75621665462200010
oct627675000664700
9120214533451531
1028028554144192
118a26930125448
1231881560a4854
1312841098574b4
146cc836cd7c40
15339148a236e7
hex197de80369c0

28028554144192 has 56 divisors (see below), whose sum is σ = 64330597247616. Its totient is φ = 11867511721728.

The previous prime is 28028554144183. The next prime is 28028554144271. The reversal of 28028554144192 is 29144145582082.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376852798 + ... + 376927165.

It is an arithmetic number, because the mean of its divisors is an integer number (1148760665136).

Almost surely, 228028554144192 is an apocalyptic number.

It is an amenable number.

28028554144192 is an abundant number, since it is smaller than the sum of its proper divisors (36302043103424).

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

28028554144192 is an equidigital number, since it uses as much as digits as its factorization.

28028554144192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753780065 (or 753780055 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 28028554144192 in words is "twenty-eight trillion, twenty-eight billion, five hundred fifty-four million, one hundred forty-four thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 83 112 166 224 332 448 581 664 1162 1328 2324 2656 4648 5312 9296 18592 37184 753779963 1507559926 3015119852 5276459741 6030239704 10552919482 12060479408 21105838964 24120958816 42211677928 48241917632 62563736929 84423355856 125127473858 168846711712 250254947716 337693423424 437946158503 500509895432 875892317006 1001019790864 1751784634012 2002039581728 3503569268024 4004079163456 7007138536048 14014277072096 28028554144192