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30194797046 = 215097398523
BaseRepresentation
bin11100000111110000…
…000000100111110110
32212221022211121200112
4130013300000213312
5443314332001141
621512111143022
72116153353161
oct340760004766
985838747615
1030194797046
11118951a2a27
125a28214a72
132b0284a11b
141666274ad8
15bbaca67eb
hex707c009f6

30194797046 has 4 divisors (see below), whose sum is σ = 45292195572. Its totient is φ = 15097398522.

The previous prime is 30194797037. The next prime is 30194797081. The reversal of 30194797046 is 64079749103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64079749103 = 181354031763.

It is a super-2 number, since 2×301947970462 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30194796985 and 30194797003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7548699260 + ... + 7548699263.

It is an arithmetic number, because the mean of its divisors is an integer number (11323048893).

Almost surely, 230194797046 is an apocalyptic number.

30194797046 is a deficient number, since it is larger than the sum of its proper divisors (15097398526).

30194797046 is a wasteful number, since it uses less digits than its factorization.

30194797046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15097398525.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 30194797046 in words is "thirty billion, one hundred ninety-four million, seven hundred ninety-seven thousand, forty-six".

Divisors: 1 2 15097398523 30194797046