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33640680030 = 2351121356001
BaseRepresentation
bin11111010101001001…
…000000101001011110
310012211110212121111020
4133111021000221132
51022344003230110
623242044305010
72300435030226
oct372511005136
9105743777436
1033640680030
11132a3317901
12662a242166
133231719439
1418b1b87086
15d1d573d70
hex7d5240a5e

33640680030 has 16 divisors (see below), whose sum is σ = 80737632144. Its totient is φ = 8970848000.

The previous prime is 33640680019. The next prime is 33640680067. The reversal of 33640680030 is 3008604633.

It is a super-2 number, since 2×336406800302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33640679973 and 33640680000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560677971 + ... + 560678030.

It is an arithmetic number, because the mean of its divisors is an integer number (5046102009).

Almost surely, 233640680030 is an apocalyptic number.

33640680030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33640680030 is an abundant number, since it is smaller than the sum of its proper divisors (47096952114).

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

33640680030 is a wasteful number, since it uses less digits than its factorization.

33640680030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121356011.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 33640680030 in words is "thirty-three billion, six hundred forty million, six hundred eighty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1121356001 2242712002 3364068003 5606780005 6728136006 11213560010 16820340015 33640680030