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67004040372 = 2235583670031
BaseRepresentation
bin111110011001110000…
…001000010010110100
320101221121220220212220
4332121300020102310
52044211013242442
650440425042340
74561264642323
oct763160102264
9211847826786
1067004040372
1126464041285
1210b9b6263b0
13641a849189
143358b820ba
151b225b8eec
hexf99c084b4

67004040372 has 12 divisors (see below), whose sum is σ = 156342760896. Its totient is φ = 22334680120.

The previous prime is 67004040353. The next prime is 67004040373. The reversal of 67004040372 is 27304040076.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67004040373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791835004 + ... + 2791835027.

It is an arithmetic number, because the mean of its divisors is an integer number (13028563408).

Almost surely, 267004040372 is an apocalyptic number.

It is an amenable number.

67004040372 is an abundant number, since it is smaller than the sum of its proper divisors (89338720524).

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

67004040372 is a wasteful number, since it uses less digits than its factorization.

67004040372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583670038 (or 5583670036 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 67004040372 in words is "sixty-seven billion, four million, forty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 5583670031 11167340062 16751010093 22334680124 33502020186 67004040372