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33130021001 = 71137103111279
BaseRepresentation
bin11110110110101101…
…000000000010001001
310011111212222102222212
4132312231000002021
51020322241133001
623115243154505
72251664350340
oct366655000211
9104455872885
1033130021001
1113061040150
126507215a35
13317c9a182c
141864018b57
15cdd8027bb
hex7b6b40089

33130021001 has 32 divisors (see below), whose sum is σ = 42466222080. Its totient is φ = 25091294400.

The previous prime is 33130020997. The next prime is 33130021009. The reversal of 33130021001 is 10012003133.

It is a cyclic number.

It is not a de Polignac number, because 33130021001 - 22 = 33130020997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33130021009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2931680 + ... + 2942958.

It is an arithmetic number, because the mean of its divisors is an integer number (1327069440).

Almost surely, 233130021001 is an apocalyptic number.

It is an amenable number.

33130021001 is a deficient number, since it is larger than the sum of its proper divisors (9336201079).

33130021001 is a wasteful number, since it uses less digits than its factorization.

33130021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 33130021001 its reverse (10012003133), we get a palindrome (43142024134).

The spelling of 33130021001 in words is "thirty-three billion, one hundred thirty million, twenty-one thousand, one".

Divisors: 1 7 11 37 77 259 407 1031 2849 7217 11279 11341 38147 78953 79387 124069 267029 417323 419617 868483 2921261 2937319 4590553 11628649 32133871 81400543 127915139 430260013 895405973 3011820091 4732860143 33130021001