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33130897092 = 2232920302697
BaseRepresentation
bin11110110110110000…
…010101111011000100
310011111221121221202200
4132312300111323010
51020323002201332
623115314034500
72252004656466
oct366660257304
9104457557680
1033130897092
1113061589397
126507578a30
13317cc1a527
1418641a6136
15cdd92717c
hex7b6c15ec4

33130897092 has 18 divisors (see below), whose sum is σ = 83747545518. Its totient is φ = 11043632352.

The previous prime is 33130897081. The next prime is 33130897099. The reversal of 33130897092 is 29079803133.

33130897092 is a `hidden beast` number, since 331 + 308 + 9 + 7 + 0 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31978022976 + 1152874116 = 178824^2 + 33954^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (33130897099) 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 5 ways as a sum of consecutive naturals, for example, 460151313 + ... + 460151384.

Almost surely, 233130897092 is an apocalyptic number.

It is an amenable number.

33130897092 is an abundant number, since it is smaller than the sum of its proper divisors (50616648426).

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

33130897092 is a wasteful number, since it uses less digits than its factorization.

33130897092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920302707 (or 920302702 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 33130897092 in words is "thirty-three billion, one hundred thirty million, eight hundred ninety-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 920302697 1840605394 2760908091 3681210788 5521816182 8282724273 11043632364 16565448546 33130897092