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30111021024 = 253744808067
BaseRepresentation
bin11100000010110000…
…011011011111100000
32212201111012100120220
4130002300123133200
5443131410133044
621455515403040
72114115312210
oct340260333740
985644170526
1030111021024
1111851982847
125a04153480
132abb397106
1416590a8240
15bb3759019
hex702c1b7e0

30111021024 has 48 divisors (see below), whose sum is σ = 90333065088. Its totient is φ = 8603148672.

The previous prime is 30111021013. The next prime is 30111021037. The reversal of 30111021024 is 42012011103.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 30111020994 and 30111021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22403362 + ... + 22404705.

It is an arithmetic number, because the mean of its divisors is an integer number (1881938856).

Almost surely, 230111021024 is an apocalyptic number.

It is an amenable number.

30111021024 is an abundant number, since it is smaller than the sum of its proper divisors (60222044064).

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

30111021024 is a wasteful number, since it uses less digits than its factorization.

30111021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44808087 (or 44808079 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30111021024 its reverse (42012011103), we get a palindrome (72123032127).

The spelling of 30111021024 in words is "thirty billion, one hundred eleven million, twenty-one thousand, twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 44808067 89616134 134424201 179232268 268848402 313656469 358464536 537696804 627312938 716929072 940969407 1075393608 1254625876 1433858144 1881938814 2150787216 2509251752 3763877628 4301574432 5018503504 7527755256 10037007008 15055510512 30111021024