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1351012000 = 25531325981
BaseRepresentation
bin101000010000110…
…1100111010100000
310111011011112001111
41100201230322200
510231324341000
6342020513104
745323261332
oct12041547240
93434145044
101351012000
1163367a348
1231854b794
13186b88bb0
14cb5dd452
157d919cba
hex5086cea0

1351012000 has 96 divisors (see below), whose sum is σ = 3574915344. Its totient is φ = 498816000.

The previous prime is 1351011997. The next prime is 1351012021. The reversal of 1351012000 is 2101531.

It can be written as a sum of positive squares in 8 ways, for example, as 8464 + 1351003536 = 92^2 + 36756^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 39010 + ... + 64990.

Almost surely, 21351012000 is an apocalyptic number.

1351012000 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 1351012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787457672).

1351012000 is an abundant number, since it is smaller than the sum of its proper divisors (2223903344).

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

1351012000 is a wasteful number, since it uses less digits than its factorization.

1351012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26019 (or 26001 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1351012000 is about 36756.1151374843. The cubic root of 1351012000 is about 1105.4855465302.

Adding to 1351012000 its reverse (2101531), we get a palindrome (1353113531).

The spelling of 1351012000 in words is "one billion, three hundred fifty-one million, twelve thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 125 130 160 200 208 250 260 325 400 416 500 520 650 800 1000 1040 1300 1625 2000 2080 2600 3250 4000 5200 6500 10400 13000 25981 26000 51962 52000 103924 129905 207848 259810 337753 415696 519620 649525 675506 831392 1039240 1299050 1351012 1688765 2078480 2598100 2702024 3247625 3377530 4156960 5196200 5404048 6495250 6755060 8443825 10392400 10808096 12990500 13510120 16887650 20784800 25981000 27020240 33775300 42219125 51962000 54040480 67550600 84438250 103924000 135101200 168876500 270202400 337753000 675506000 1351012000