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30678031104 = 2837191571913
BaseRepresentation
bin11100100100100011…
…011001101100000000
32221012000010110012020
4130210203121230000
51000312033443404
622032052401440
72134141650630
oct344443315400
987160113166
1030678031104
1112012a48916
125b42016280
132b7b9b1b36
1416b05046c0
15be840bed9
hex7248d9b00

30678031104 has 288 divisors, whose sum is σ = 98900820480. Its totient is φ = 8246624256.

The previous prime is 30678031103. The next prime is 30678031121. The reversal of 30678031104 is 40113087603.

It is a super-2 number, since 2×306780311042 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30678031103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16035652 + ... + 16037564.

Almost surely, 230678031104 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 30678031104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49450410240).

30678031104 is an abundant number, since it is smaller than the sum of its proper divisors (68222789376).

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

30678031104 is a wasteful number, since it uses less digits than its factorization.

30678031104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 30678031104 in words is "thirty billion, six hundred seventy-eight million, thirty-one thousand, one hundred four".