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30745342077 = 371301147939
BaseRepresentation
bin11100101000100100…
…001011000001111101
32221100200210012111020
4130220210023001331
51000431301421302
622042455214353
72135620044552
oct345044130175
987320705436
1030745342077
1112047a4261a
125b606773b9
132b8c91b708
1416b9426a29
15bee2a5ebc
hex72890b07d

30745342077 has 16 divisors (see below), whose sum is σ = 41585840640. Its totient is φ = 20201073200.

The previous prime is 30745342063. The next prime is 30745342093. The reversal of 30745342077 is 77024354703.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30745342077 - 226 = 30678233213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30745342057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617374 + ... + 665312.

It is an arithmetic number, because the mean of its divisors is an integer number (2599115040).

Almost surely, 230745342077 is an apocalyptic number.

It is an amenable number.

30745342077 is a deficient number, since it is larger than the sum of its proper divisors (10840498563).

30745342077 is a wasteful number, since it uses less digits than its factorization.

30745342077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51024.

The product of its (nonzero) digits is 493920, while the sum is 42.

The spelling of 30745342077 in words is "thirty billion, seven hundred forty-five million, three hundred forty-two thousand, seventy-seven".

Divisors: 1 3 71 213 3011 9033 47939 143817 213781 641343 3403669 10211007 144344329 433032987 10248447359 30745342077