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30111110997 = 3112233606553
BaseRepresentation
bin11100000010110000…
…110001011101010101
32212201111100221000020
4130002300301131111
5443131421022442
621455521335353
72114116135422
oct340260613525
985644327006
1030111110997
1111851a34400
125a04197559
132abb3c9056
1416590ccd49
15bb37759ec
hex702c31755

30111110997 has 24 divisors (see below), whose sum is σ = 46048481472. Its totient is φ = 17455711680.

The previous prime is 30111110993. The next prime is 30111111049. The reversal of 30111110997 is 79901111103.

It is not a de Polignac number, because 30111110997 - 22 = 30111110993 is a prime.

It is a super-3 number, since 3×301111109973 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111110993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1794928 + ... + 1811625.

It is an arithmetic number, because the mean of its divisors is an integer number (1918686728).

Almost surely, 230111110997 is an apocalyptic number.

It is an amenable number.

30111110997 is a deficient number, since it is larger than the sum of its proper divisors (15937370475).

30111110997 is a wasteful number, since it uses less digits than its factorization.

30111110997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606601 (or 3606590 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 33.

The spelling of 30111110997 in words is "thirty billion, one hundred eleven million, one hundred ten thousand, nine hundred ninety-seven".

Divisors: 1 3 11 23 33 69 121 253 363 759 2783 8349 3606553 10819659 39672083 82950719 119016249 248852157 436392913 912457909 1309178739 2737373727 10037036999 30111110997