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30532465620 = 22345431632689
BaseRepresentation
bin11100011011111000…
…000111001111010100
32220210212012221220000
4130123320013033110
51000012302344440
622005412411300
72130423450516
oct343370071724
986725187800
1030532465620
1111a48865368
125b01316b30
132b577a6507
141699051bb6
15bda756730
hex71be073d4

30532465620 has 240 divisors, whose sum is σ = 98646905280. Its totient is φ = 7900913664.

The previous prime is 30532465597. The next prime is 30532465651. The reversal of 30532465620 is 2656423503.

30532465620 is a `hidden beast` number, since 3 + 0 + 5 + 3 + 24 + 6 + 5 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 79 ways as a sum of consecutive naturals, for example, 11353236 + ... + 11355924.

It is an arithmetic number, because the mean of its divisors is an integer number (411028772).

Almost surely, 230532465620 is an apocalyptic number.

30532465620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30532465620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49323452640).

30532465620 is an abundant number, since it is smaller than the sum of its proper divisors (68114439660).

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

30532465620 is a wasteful number, since it uses less digits than its factorization.

30532465620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 30532465620 in words is "thirty billion, five hundred thirty-two million, four hundred sixty-five thousand, six hundred twenty".