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1112012080 = 245531631609
BaseRepresentation
bin100001001000111…
…1111010100110000
32212111110001210121
41002101333110300
54234133341310
6302202140024
736361642504
oct10221772460
92774401717
101112012080
1152077a153
122704b1614
131494c831a
14a7988304
156795a0da
hex4247f530

1112012080 has 80 divisors (see below), whose sum is σ = 2652017760. Its totient is φ = 433465344.

The previous prime is 1112012051. The next prime is 1112012081. The reversal of 1112012080 is 802102111.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (1112012081) 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, 690316 + ... + 691924.

It is an arithmetic number, because the mean of its divisors is an integer number (33150222).

Almost surely, 21112012080 is an apocalyptic number.

1112012080 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 1112012080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326008880).

1112012080 is an abundant number, since it is smaller than the sum of its proper divisors (1540005680).

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

1112012080 is a wasteful number, since it uses less digits than its factorization.

1112012080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1112012080 is about 33346.8451281377. The cubic root of 1112012080 is about 1036.0240449988.

Adding to 1112012080 its reverse (802102111), we get a palindrome (1914114191).

The spelling of 1112012080 in words is "one billion, one hundred twelve million, twelve thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 163 212 265 326 424 530 652 815 848 1060 1304 1609 1630 2120 2608 3218 3260 4240 6436 6520 8045 8639 12872 13040 16090 17278 25744 32180 34556 43195 64360 69112 85277 86390 128720 138224 170554 172780 262267 341108 345560 426385 524534 682216 691120 852770 1049068 1311335 1364432 1705540 2098136 2622670 3411080 4196272 5245340 6822160 10490680 13900151 20981360 27800302 55600604 69500755 111201208 139001510 222402416 278003020 556006040 1112012080