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1371450768 = 243711033907
BaseRepresentation
bin101000110111110…
…1010110110010000
310112120121220202220
41101233222312100
510302042411033
6344030541040
745662065512
oct12157526620
93476556686
101371450768
1164416a296
12323367780
1318b193c3c
14d01ddbb2
1580605bb3
hex51bead90

1371450768 has 80 divisors (see below), whose sum is σ = 3628624896. Its totient is φ = 446221440.

The previous prime is 1371450733. The next prime is 1371450793. The reversal of 1371450768 is 8670541731.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349071 + ... + 352977.

Almost surely, 21371450768 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 1371450768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814312448).

1371450768 is an abundant number, since it is smaller than the sum of its proper divisors (2257174128).

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

1371450768 is a wasteful number, since it uses less digits than its factorization.

1371450768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1371450768 is about 37033.1036776558. The cubic root of 1371450768 is about 1111.0324425310.

The spelling of 1371450768 in words is "one billion, three hundred seventy-one million, four hundred fifty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 103 142 206 213 284 309 412 426 568 618 824 852 1136 1236 1648 1704 2472 3408 3907 4944 7313 7814 11721 14626 15628 21939 23442 29252 31256 43878 46884 58504 62512 87756 93768 117008 175512 187536 277397 351024 402421 554794 804842 832191 1109588 1207263 1609684 1664382 2219176 2414526 3219368 3328764 4438352 4829052 6438736 6657528 9658104 13315056 19316208 28571891 57143782 85715673 114287564 171431346 228575128 342862692 457150256 685725384 1371450768