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2528890460448 = 253112957809869
BaseRepresentation
bin100100110011001101100…
…111100001100100100000
322221202111201120000110020
4210303031213201210200
5312413131424213243
65213431203033440
7350464156146162
oct44631547414440
98852451500406
102528890460448
11895550811880
1234a14836b880
1315461cc36451
148a582a18932
1545bb011c283
hex24ccd9e1920

2528890460448 has 96 divisors (see below), whose sum is σ = 7244280671040. Its totient is φ = 766070338560.

The previous prime is 2528890460441. The next prime is 2528890460471. The reversal of 2528890460448 is 8440640988252.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 2528890460391 and 2528890460400.

It is not an unprimeable number, because it can be changed into a prime (2528890460441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717658 + ... + 3527526.

It is an arithmetic number, because the mean of its divisors is an integer number (75461256990).

Almost surely, 22528890460448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528890460448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3622140335520).

2528890460448 is an abundant number, since it is smaller than the sum of its proper divisors (4715390210592).

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

2528890460448 is a wasteful number, since it uses less digits than its factorization.

2528890460448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812850 (or 812842 counting only the distinct ones).

The product of its (nonzero) digits is 35389440, while the sum is 60.

The spelling of 2528890460448 in words is "two trillion, five hundred twenty-eight billion, eight hundred ninety million, four hundred sixty thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 2957 5914 8871 11828 17742 23656 32527 35484 47312 65054 70968 94624 97581 130108 141936 195162 260216 283872 390324 520432 780648 809869 1040864 1561296 1619738 2429607 3122592 3239476 4859214 6478952 8908559 9718428 12957904 17817118 19436856 25915808 26725677 35634236 38873712 53451354 71268472 77747424 106902708 142536944 213805416 285073888 427610832 855221664 2394782633 4789565266 7184347899 9579130532 14368695798 19158261064 26342608963 28737391596 38316522128 52685217926 57474783192 76633044256 79027826889 105370435852 114949566384 158055653778 210740871704 229899132768 316111307556 421481743408 632222615112 842963486816 1264445230224 2528890460448