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1368980352 = 273617863
BaseRepresentation
bin101000110011000…
…1111101110000000
310112101222102000000
41101212033232000
510300424332402
6343502000000
745632066235
oct12146175600
93471872000
101368980352
11642832223
12322576000
1318a80a65c
14cdb5978c
15802b8c1c
hex5198fb80

1368980352 has 224 divisors, whose sum is σ = 4334575680. Its totient is φ = 428986368.

The previous prime is 1368980341. The next prime is 1368980387. The reversal of 1368980352 is 2530898631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1368980298 and 1368980307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1585873 + ... + 1586735.

Almost surely, 21368980352 is an apocalyptic number.

1368980352 is a gapful number since it is divisible by the number (12) 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 1368980352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167287840).

1368980352 is an abundant number, since it is smaller than the sum of its proper divisors (2965595328).

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

1368980352 is an frugal number, since it uses more digits than its factorization.

1368980352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1368980352 is about 36999.7344855338. The cubic root of 1368980352 is about 1110.3649347917.

The spelling of 1368980352 in words is "one billion, three hundred sixty-eight million, nine hundred eighty thousand, three hundred fifty-two".