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30032311100 = 22521169139511
BaseRepresentation
bin11011111110000100…
…001011001100111100
32212112000002110212112
4123332010023030330
5443001232423400
621444024353152
72112141301211
oct337604131474
985460073775
1030032311100
1111811502920
1259a19157b8
132aa7c98cac
14164c859b08
15bab8ac835
hex6fe10b33c

30032311100 has 72 divisors (see below), whose sum is σ = 71199359616. Its totient is φ = 10904760000.

The previous prime is 30032311093. The next prime is 30032311147. The reversal of 30032311100 is 111323003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 740345 + ... + 779855.

Almost surely, 230032311100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30032311100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35599679808).

30032311100 is an abundant number, since it is smaller than the sum of its proper divisors (41167048516).

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

30032311100 is a wasteful number, since it uses less digits than its factorization.

30032311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40227 (or 40220 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30032311100 its reverse (111323003), we get a palindrome (30143634103).

The spelling of 30032311100 in words is "thirty billion, thirty-two million, three hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 691 1100 1382 2764 3455 6910 7601 13820 15202 17275 30404 34550 38005 39511 69100 76010 79022 152020 158044 190025 197555 380050 395110 434621 760100 790220 869242 987775 1738484 1975550 2173105 3951100 4346210 8692420 10865525 21731050 27302101 43462100 54604202 109208404 136510505 273021010 300323111 546042020 600646222 682552525 1201292444 1365105050 1501615555 2730210100 3003231110 6006462220 7508077775 15016155550 30032311100