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1151378330 = 25115137833
BaseRepresentation
bin100010010100000…
…1010001110011010
32222020112002010212
41010220022032122
54324223101310
6310130011122
740350361064
oct10450121632
92866462125
101151378330
11540a17643
12281716aa2
131546cc56b
14accb4734
156b134205
hex44a0a39a

1151378330 has 8 divisors (see below), whose sum is σ = 2072481012. Its totient is φ = 460551328.

The previous prime is 1151378309. The next prime is 1151378339. The reversal of 1151378330 is 338731511.

It can be written as a sum of positive squares in 2 ways, for example, as 1132255201 + 19123129 = 33649^2 + 4373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1151378339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57568907 + ... + 57568926.

Almost surely, 21151378330 is an apocalyptic number.

1151378330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151378330 is a deficient number, since it is larger than the sum of its proper divisors (921102682).

1151378330 is a wasteful number, since it uses less digits than its factorization.

1151378330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115137840.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1151378330 is about 33931.9661970832. The cubic root of 1151378330 is about 1048.1079547368.

The spelling of 1151378330 in words is "one billion, one hundred fifty-one million, three hundred seventy-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 115137833 230275666 575689165 1151378330