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1075120000 = 275489151
BaseRepresentation
bin100000000010101…
…0000011110000000
32202221000202101021
41000011100132000
54200212320000
6254403315224
735433240433
oct10005203600
92687022337
101075120000
11501971629
1226007bb14
1314197c2a6
14a2b0381a
15645be11a
hex40150780

1075120000 has 160 divisors (see below), whose sum is σ = 2724440400. Its totient is φ = 422400000.

The previous prime is 1075119949. The next prime is 1075120009. The reversal of 1075120000 is 215701.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075120009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7119925 + ... + 7120075.

Almost surely, 21075120000 is an apocalyptic number.

1075120000 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 1075120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362220200).

1075120000 is an abundant number, since it is smaller than the sum of its proper divisors (1649320400).

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

1075120000 is an frugal number, since it uses more digits than its factorization.

1075120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1075120000 is about 32789.0225532876. The cubic root of 1075120000 is about 1024.4379230430.

Adding to 1075120000 its reverse (215701), we get a palindrome (1075335701).

The spelling of 1075120000 in words is "one billion, seventy-five million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 89 100 125 128 151 160 178 200 250 302 320 356 400 445 500 604 625 640 712 755 800 890 1000 1208 1250 1424 1510 1600 1780 2000 2225 2416 2500 2848 3020 3200 3560 3775 4000 4450 4832 5000 5696 6040 7120 7550 8000 8900 9664 10000 11125 11392 12080 13439 14240 15100 16000 17800 18875 19328 20000 22250 24160 26878 28480 30200 35600 37750 40000 44500 48320 53756 55625 56960 60400 67195 71200 75500 80000 89000 94375 96640 107512 111250 120800 134390 142400 151000 178000 188750 215024 222500 241600 268780 284800 302000 335975 356000 377500 430048 445000 483200 537560 604000 671950 712000 755000 860096 890000 1075120 1208000 1343900 1424000 1510000 1679875 1720192 1780000 2150240 2416000 2687800 3020000 3359750 3560000 4300480 5375600 6040000 6719500 7120000 8399375 8600960 10751200 12080000 13439000 16798750 21502400 26878000 33597500 43004800 53756000 67195000 107512000 134390000 215024000 268780000 537560000 1075120000