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30566626000 = 245340138113
BaseRepresentation
bin11100011101111010…
…011011001011010000
32220220020111111010021
4130131322123023100
51000100024013000
622013032513224
72131320014461
oct343572331320
986806444107
1030566626000
1111a66077589
125b1084b814
132b618a7061
14169d7c4d68
15bdd75311a
hex71de9b2d0

30566626000 has 80 divisors (see below), whose sum is σ = 74096360208. Its totient is φ = 12195840000.

The previous prime is 30566625979. The next prime is 30566626001. The reversal of 30566626000 is 62666503.

It can be written as a sum of positive squares in 8 ways, for example, as 1533192336 + 29033433664 = 39156^2 + 170392^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30566626001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 782944 + ... + 821056.

Almost surely, 230566626000 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 30566626000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37048180104).

30566626000 is an abundant number, since it is smaller than the sum of its proper divisors (43529734208).

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

30566626000 is a wasteful number, since it uses less digits than its factorization.

30566626000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38537 (or 38521 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 30566626000 in words is "thirty billion, five hundred sixty-six million, six hundred twenty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 401 500 802 1000 1604 2000 2005 3208 4010 6416 8020 10025 16040 20050 32080 38113 40100 50125 76226 80200 100250 152452 160400 190565 200500 304904 381130 401000 609808 762260 802000 952825 1524520 1905650 3049040 3811300 4764125 7622600 9528250 15245200 15283313 19056500 30566626 38113000 61133252 76226000 76416565 122266504 152833130 244533008 305666260 382082825 611332520 764165650 1222665040 1528331300 1910414125 3056662600 3820828250 6113325200 7641656500 15283313000 30566626000