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393197975348 = 22307320193791
BaseRepresentation
bin1011011100011000110…
…11001111011100110100
31101120220122100201022212
411232030123033130310
522420232140202343
6500344353112552
740256545434233
oct5561433173464
91346818321285
10393197975348
11141833008622
1264255258758
132b103360c99
1415060a5cb1a
15a364688c18
hex5b8c6cf734

393197975348 has 12 divisors (see below), whose sum is σ = 690337815552. Its totient is φ = 195958599480.

The previous prime is 393197975327. The next prime is 393197975351. The reversal of 393197975348 is 843579791393.

It is a super-2 number, since 2×3931979753482 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160095668 + ... + 160098123.

It is an arithmetic number, because the mean of its divisors is an integer number (57528151296).

Almost surely, 2393197975348 is an apocalyptic number.

It is an amenable number.

393197975348 is a deficient number, since it is larger than the sum of its proper divisors (297139840204).

393197975348 is a wasteful number, since it uses less digits than its factorization.

393197975348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320194102 (or 320194100 counting only the distinct ones).

The product of its digits is 154314720, while the sum is 68.

The spelling of 393197975348 in words is "three hundred ninety-three billion, one hundred ninety-seven million, nine hundred seventy-five thousand, three hundred forty-eight".

Divisors: 1 2 4 307 614 1228 320193791 640387582 1280775164 98299493837 196598987674 393197975348