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30543660146 = 215271830073
BaseRepresentation
bin11100011100100010…
…110100010001110010
32220211122021200220002
4130130202310101302
51000023134111041
622010452350002
72130620553566
oct343442642162
986748250802
1030543660146
1111a54110a3a
125b05015302
132b59bc59ac
14169a7276a6
15bdb71859b
hex71c8b4472

30543660146 has 4 divisors (see below), whose sum is σ = 45815490222. Its totient is φ = 15271830072.

The previous prime is 30543660137. The next prime is 30543660151. The reversal of 30543660146 is 64106634503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18181555921 + 12362104225 = 134839^2 + 111185^2 .

It is a super-2 number, since 2×305436601462 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7635915035 + ... + 7635915038.

Almost surely, 230543660146 is an apocalyptic number.

30543660146 is a deficient number, since it is larger than the sum of its proper divisors (15271830076).

30543660146 is a wasteful number, since it uses less digits than its factorization.

30543660146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271830075.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 30543660146 in words is "thirty billion, five hundred forty-three million, six hundred sixty thousand, one hundred forty-six".

Divisors: 1 2 15271830073 30543660146