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30694073357 is a prime number
BaseRepresentation
bin11100100101100000…
…100110010000001101
32221020010022111000202
4130211200212100031
51000330140321412
622033424303245
72134425214223
oct344540462015
987203274022
1030694073357
1112021005682
125b47471b25
132b8210a9ac
1416b26bcb13
15be9a2a3c2
hex72582640d

30694073357 has 2 divisors, whose sum is σ = 30694073358. Its totient is φ = 30694073356.

The previous prime is 30694073351. The next prime is 30694073383. The reversal of 30694073357 is 75337049603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16853492041 + 13840581316 = 129821^2 + 117646^2 .

It is a cyclic number.

It is not a de Polignac number, because 30694073357 - 214 = 30694056973 is a prime.

It is a super-2 number, since 2×306940733572 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30694073351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15347036678 + 15347036679.

It is an arithmetic number, because the mean of its divisors is an integer number (15347036679).

Almost surely, 230694073357 is an apocalyptic number.

It is an amenable number.

30694073357 is a deficient number, since it is larger than the sum of its proper divisors (1).

30694073357 is an equidigital number, since it uses as much as digits as its factorization.

30694073357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 47.

The spelling of 30694073357 in words is "thirty billion, six hundred ninety-four million, seventy-three thousand, three hundred fifty-seven".