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40012900289 = 1731671278923
BaseRepresentation
bin100101010000111101…
…000110011111000001
310211021120022221100222
4211100331012133001
51123421300302124
630214235152425
72614362016655
oct452075063701
9124246287328
1040012900289
1115a7326a23a
1279082a5715
133a0894b27b
141d181a8a65
151092bd425e
hex950f467c1

40012900289 has 32 divisors (see below), whose sum is σ = 44740509696. Its totient is φ = 35613768960.

The previous prime is 40012900259. The next prime is 40012900363. The reversal of 40012900289 is 98200921004.

It is a cyclic number.

It is not a de Polignac number, because 40012900289 - 212 = 40012896193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40012900259) 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 31 ways as a sum of consecutive naturals, for example, 4479782 + ... + 4488704.

It is an arithmetic number, because the mean of its divisors is an integer number (1398140928).

Almost surely, 240012900289 is an apocalyptic number.

It is an amenable number.

40012900289 is a deficient number, since it is larger than the sum of its proper divisors (4727609407).

40012900289 is a wasteful number, since it uses less digits than its factorization.

40012900289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 40012900289 in words is "forty billion, twelve million, nine hundred thousand, two hundred eighty-nine".

Divisors: 1 17 31 67 127 527 1139 2077 2159 3937 8509 8923 35309 66929 144653 151691 263779 276613 597841 1133221 4484243 4702421 10163297 18533071 19264757 35129851 75925807 315062207 597207467 1290738719 2353700017 40012900289