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32021040404 = 2217192347101227
BaseRepresentation
bin11101110100100110…
…100100110100010100
310001122121020101121102
4131310212210310110
51011034341243104
622413230005232
72212340231633
oct356446446424
9101577211542
1032021040404
1112642051661
126257946818
133033cc82b2
14179aa1d51a
15c76295a1e
hex7749a4d14

32021040404 has 192 divisors, whose sum is σ = 67513098240. Its totient is φ = 13173811200.

The previous prime is 32021040391. The next prime is 32021040409. The reversal of 32021040404 is 40404012023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32021040409) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 141061739 + ... + 141061965.

It is an arithmetic number, because the mean of its divisors is an integer number (351630720).

Almost surely, 232021040404 is an apocalyptic number.

32021040404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

32021040404 is an abundant number, since it is smaller than the sum of its proper divisors (35492057836).

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

32021040404 is a wasteful number, since it uses less digits than its factorization.

32021040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 32021040404 its reverse (40404012023), we get a palindrome (72425052427).

The spelling of 32021040404 in words is "thirty-two billion, twenty-one million, forty thousand, four hundred four".