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1451132680 = 235413672411
BaseRepresentation
bin101011001111110…
…1000011100001000
310202010120011210211
41112133220130020
510432442221210
6355554450504
750650265344
oct12637503410
93663504724
101451132680
11685143508
12345b93a34
131a18425ba
14daa22624
15875e538a
hex567e8708

1451132680 has 64 divisors (see below), whose sum is σ = 3355188480. Its totient is φ = 564518400.

The previous prime is 1451132659. The next prime is 1451132681. The reversal of 1451132680 is 862311541.

It is not an unprimeable number, because it can be changed into a prime (1451132681) 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, 600675 + ... + 603085.

It is an arithmetic number, because the mean of its divisors is an integer number (52424820).

Almost surely, 21451132680 is an apocalyptic number.

1451132680 is a gapful number since it is divisible by the number (10) 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 1451132680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677594240).

1451132680 is an abundant number, since it is smaller than the sum of its proper divisors (1904055800).

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

1451132680 is a wasteful number, since it uses less digits than its factorization.

1451132680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1451132680 is about 38093.7354429833. The cubic root of 1451132680 is about 1132.1458376953.

The spelling of 1451132680 in words is "one billion, four hundred fifty-one million, one hundred thirty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 367 410 734 820 1468 1640 1835 2411 2936 3670 4822 7340 9644 12055 14680 15047 19288 24110 30094 48220 60188 75235 96440 98851 120376 150470 197702 300940 395404 494255 601880 790808 884837 988510 1769674 1977020 3539348 3954040 4424185 7078696 8848370 17696740 35393480 36278317 72556634 145113268 181391585 290226536 362783170 725566340 1451132680