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309373940027 = 3171140560627
BaseRepresentation
bin1001000000010000001…
…11111011000100111011
31002120112210122112001002
410200020013323010323
520032044212040102
6354042513115215
731231401046505
oct4401007730473
91076483575032
10309373940027
1110a228584179
124bb60858b0b
1323234bc7999
1410d8c096d75
1580aa602902
hex48081fb13b

309373940027 has 8 divisors (see below), whose sum is σ = 323851686912. Its totient is φ = 295177314600.

The previous prime is 309373940023. The next prime is 309373940041. The reversal of 309373940027 is 720049373903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 309373940027 - 22 = 309373940023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (309373940023) 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 7 ways as a sum of consecutive naturals, for example, 70278113 + ... + 70282514.

It is an arithmetic number, because the mean of its divisors is an integer number (40481460864).

Almost surely, 2309373940027 is an apocalyptic number.

309373940027 is a deficient number, since it is larger than the sum of its proper divisors (14477746885).

309373940027 is a wasteful number, since it uses less digits than its factorization.

309373940027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140560729.

The product of its (nonzero) digits is 857304, while the sum is 47.

The spelling of 309373940027 in words is "three hundred nine billion, three hundred seventy-three million, nine hundred forty thousand, twenty-seven".

Divisors: 1 31 71 2201 140560627 4357379437 9979804517 309373940027