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40447072367 = 13171453125959
BaseRepresentation
bin100101101010110101…
…010101100001101111
310212101211022011111022
4211222311111201233
51130313422303432
630325305044355
72631213304532
oct455265254157
9125354264438
1040447072367
1116176355139
127a097866bb
133a77895820
141d59b06a19
1510bad97b12
hex96ad5586f

40447072367 has 16 divisors (see below), whose sum is σ = 46152751680. Its totient is φ = 35115075072.

The previous prime is 40447072331. The next prime is 40447072381. The reversal of 40447072367 is 76327074404.

It is a cyclic number.

It is not a de Polignac number, because 40447072367 - 218 = 40446810223 is a prime.

It is a super-2 number, since 2×404470723672 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40447072307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258134 + ... + 384092.

It is an arithmetic number, because the mean of its divisors is an integer number (2884546980).

Almost surely, 240447072367 is an apocalyptic number.

40447072367 is a deficient number, since it is larger than the sum of its proper divisors (5705679313).

40447072367 is a wasteful number, since it uses less digits than its factorization.

40447072367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127442.

The product of its (nonzero) digits is 790272, while the sum is 44.

The spelling of 40447072367 in words is "forty billion, four hundred forty-seven million, seventy-two thousand, three hundred sixty-seven".

Divisors: 1 13 17 221 1453 18889 24701 125959 321113 1637467 2141303 27836939 183018427 2379239551 3111313259 40447072367