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6369142448656 = 24132485332
BaseRepresentation
bin101110010101110111001…
…1110010010001000010000
3211112212212111011220020001
41130223232132102020100
51313323000431324111
621313535454455344
71225104200361511
oct134535636221020
924485774156201
106369142448656
1120361579617a9
1286a470b04554
133727b8a52900
141803a7abaa08
15b0a218131c1
hex5caee792210

6369142448656 has 45 divisors (see below), whose sum is σ = 13362755034279. Its totient is φ = 2939543637888.

The previous prime is 6369142448587. The next prime is 6369142448707. The reversal of 6369142448656 is 6568442419636.

It is a happy number.

The square root of 6369142448656 is 2523716.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14709808656 + 6354432640000 = 121284^2 + 2520800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 131208966 + ... + 131257498.

Almost surely, 26369142448656 is an apocalyptic number.

6369142448656 is the 2523716-th square number.

It is an amenable number.

6369142448656 is an abundant number, since it is smaller than the sum of its proper divisors (6993612585623).

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

6369142448656 is an frugal number, since it uses more digits than its factorization.

6369142448656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97100 (or 48548 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 64.

Multiplying 6369142448656 by its sum of digits (64), we get a square (407625116713984 = 201897282).

The spelling of 6369142448656 in words is "six trillion, three hundred sixty-nine billion, one hundred forty-two million, four hundred forty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 169 208 338 676 1352 2704 48533 97066 194132 388264 630929 776528 1261858 2523716 5047432 8202077 10094864 16404154 32808308 65616616 131233232 2355452089 4710904178 9421808356 18843616712 30620877157 37687233424 61241754314 122483508628 244967017256 398071403041 489934034512 796142806082 1592285612164 3184571224328 6369142448656