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1111213340 = 225229331733
BaseRepresentation
bin100001000111011…
…1100010100011100
32212102221111010122
41002032330110130
54233432311330
6302133054112
736352105016
oct10216742434
92772844118
101111213340
11520284036
12270187338
131492a88b3
14a781b1b6
156784d5e5
hex423bc51c

1111213340 has 48 divisors (see below), whose sum is σ = 2354026080. Its totient is φ = 440605440.

The previous prime is 1111213319. The next prime is 1111213343. The reversal of 1111213340 is 433121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111213343) 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, 1515614 + ... + 1516346.

It is an arithmetic number, because the mean of its divisors is an integer number (49042210).

Almost surely, 21111213340 is an apocalyptic number.

1111213340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111213340 is an abundant number, since it is smaller than the sum of its proper divisors (1242812740).

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

1111213340 is a wasteful number, since it uses less digits than its factorization.

1111213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1111213340 is about 33334.8667313970. The cubic root of 1111213340 is about 1035.7759325698.

Adding to 1111213340 its reverse (433121111), we get a palindrome (1544334451).

The spelling of 1111213340 in words is "one billion, one hundred eleven million, two hundred thirteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 229 331 458 662 733 916 1145 1324 1466 1655 2290 2932 3310 3665 4580 6620 7330 14660 75799 151598 167857 242623 303196 335714 378995 485246 671428 757990 839285 970492 1213115 1515980 1678570 2426230 3357140 4852460 55560667 111121334 222242668 277803335 555606670 1111213340