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33030400340 = 2257235931431
BaseRepresentation
bin11110110000110000…
…111110100101010100
310011020221112012010202
4132300300332211110
51020121240302330
623101324040032
72246344525160
oct366060764524
9104227465122
1033030400340
111300a888723
126499993018
1331651618b2
141854ac5ca0
15cd4bc5445
hex7b0c3e954

33030400340 has 24 divisors (see below), whose sum is σ = 79272961152. Its totient is φ = 11324708640.

The previous prime is 33030400339. The next prime is 33030400357. The reversal of 33030400340 is 4300403033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117965576 + ... + 117965855.

It is an arithmetic number, because the mean of its divisors is an integer number (3303040048).

Almost surely, 233030400340 is an apocalyptic number.

It is an amenable number.

33030400340 is an abundant number, since it is smaller than the sum of its proper divisors (46242560812).

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

33030400340 is a wasteful number, since it uses less digits than its factorization.

33030400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235931447 (or 235931445 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 33030400340 its reverse (4300403033), we get a palindrome (37330803373).

The spelling of 33030400340 in words is "thirty-three billion, thirty million, four hundred thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 235931431 471862862 943725724 1179657155 1651520017 2359314310 3303040034 4718628620 6606080068 8257600085 16515200170 33030400340