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30637273056 = 2531373523643
BaseRepresentation
bin11100100010000111…
…111010111111100000
32221002011102201122220
4130202013322333200
51000221120214211
622024035031040
72133135344535
oct344207727740
987064381586
1030637273056
1111aa1a3a785
125b3043b480
132b73411250
1416a8d34d8c
15be4a5a806
hex7221fafe0

30637273056 has 192 divisors, whose sum is σ = 88100312832. Its totient is φ = 9265508352.

The previous prime is 30637273049. The next prime is 30637273081. The reversal of 30637273056 is 65037273603.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30637272999 and 30637273017.

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 31 ways as a sum of consecutive naturals, for example, 47647071 + ... + 47647713.

It is an arithmetic number, because the mean of its divisors is an integer number (458855796).

Almost surely, 230637273056 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 30637273056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44050156416).

30637273056 is an abundant number, since it is smaller than the sum of its proper divisors (57463039776).

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

30637273056 is a wasteful number, since it uses less digits than its factorization.

30637273056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 42.

The spelling of 30637273056 in words is "thirty billion, six hundred thirty-seven million, two hundred seventy-three thousand, fifty-six".