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33680144424 = 2331403339351
BaseRepresentation
bin11111010111011111…
…100011100000101000
310012221020010121110110
4133113133203200220
51022434104110144
623250014214320
72301424334613
oct372737434050
9105836117413
1033680144424
1113313622003
12663b4b43a0
133239956254
1418b70db17a
15d21c6c0b9
hex7d77e3828

33680144424 has 16 divisors (see below), whose sum is σ = 84200361120. Its totient is φ = 11226714800.

The previous prime is 33680144359. The next prime is 33680144437. The reversal of 33680144424 is 42444108633.

It is a super-2 number, since 2×336801444242 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701669652 + ... + 701669699.

It is an arithmetic number, because the mean of its divisors is an integer number (5262522570).

Almost surely, 233680144424 is an apocalyptic number.

It is an amenable number.

33680144424 is an abundant number, since it is smaller than the sum of its proper divisors (50520216696).

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

33680144424 is a wasteful number, since it uses less digits than its factorization.

33680144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403339360 (or 1403339356 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 33680144424 in words is "thirty-three billion, six hundred eighty million, one hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1403339351 2806678702 4210018053 5613357404 8420036106 11226714808 16840072212 33680144424