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30694944386 = 2100915210577
BaseRepresentation
bin11100100101100011…
…111010111010000010
32221020011221201212002
4130211203322322002
51000330401210021
622033455104002
72134435502531
oct344543727202
987204851762
1030694944386
1112021550037
125b47812002
132b823542b2
1416b2868318
15be9b4d50b
hex7258fae82

30694944386 has 8 divisors (see below), whose sum is σ = 46088051340. Its totient is φ = 15332260608.

The previous prime is 30694944347. The next prime is 30694944461. The reversal of 30694944386 is 68344949603.

It can be written as a sum of positive squares in 2 ways, for example, as 24203580625 + 6491363761 = 155575^2 + 80569^2 .

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

It is a super-2 number, since 2×306949443862 (a number of 22 digits) contains 22 as substring.

It is a Curzon 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, 7603271 + ... + 7607306.

Almost surely, 230694944386 is an apocalyptic number.

30694944386 is a deficient number, since it is larger than the sum of its proper divisors (15393106954).

30694944386 is a wasteful number, since it uses less digits than its factorization.

30694944386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211588.

The product of its (nonzero) digits is 13436928, while the sum is 56.

The spelling of 30694944386 in words is "thirty billion, six hundred ninety-four million, nine hundred forty-four thousand, three hundred eighty-six".

Divisors: 1 2 1009 2018 15210577 30421154 15347472193 30694944386