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30662140437 = 331135634831
BaseRepresentation
bin11100100011100110…
…110010001000010101
32221010220020010022000
4130203212302020111
51000244001443222
622030324025513
72133556615305
oct344346621025
987126203260
1030662140437
1112004a84a35
125b38832299
132b78609c86
1416ac369605
15be6d1d9ac
hex7239b2215

30662140437 has 8 divisors (see below), whose sum is σ = 45425393280. Its totient is φ = 20441426940.

The previous prime is 30662140409. The next prime is 30662140441. The reversal of 30662140437 is 73404126603.

It is a happy number.

30662140437 is a `hidden beast` number, since 3 + 0 + 6 + 6 + 214 + 0 + 437 = 666.

It is a de Polignac number, because none of the positive numbers 2k-30662140437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30662140447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567817389 + ... + 567817442.

It is an arithmetic number, because the mean of its divisors is an integer number (5678174160).

Almost surely, 230662140437 is an apocalyptic number.

It is an amenable number.

30662140437 is a deficient number, since it is larger than the sum of its proper divisors (14763252843).

30662140437 is a wasteful number, since it uses less digits than its factorization.

30662140437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135634840 (or 1135634834 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 30662140437 in words is "thirty billion, six hundred sixty-two million, one hundred forty thousand, four hundred thirty-seven".

Divisors: 1 3 9 27 1135634831 3406904493 10220713479 30662140437