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30772338788 = 227693084697
BaseRepresentation
bin11100101010001011…
…001010000001100100
32221102120120210000102
4130222023022001210
51001010204320123
622045302003232
72136365364302
oct345213120144
987376523012
1030772338788
1112061201654
125b69716518
132b953b16b9
1416bcc53272
15c0183a028
hex72a2ca064

30772338788 has 6 divisors (see below), whose sum is σ = 53851592886. Its totient is φ = 15386169392.

The previous prime is 30772338743. The next prime is 30772338803. The reversal of 30772338788 is 88783327703.

It can be written as a sum of positive squares in only one way, i.e., 23555496484 + 7216842304 = 153478^2 + 84952^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3846542345 + ... + 3846542352.

It is an arithmetic number, because the mean of its divisors is an integer number (8975265481).

Almost surely, 230772338788 is an apocalyptic number.

It is an amenable number.

30772338788 is a deficient number, since it is larger than the sum of its proper divisors (23079254098).

30772338788 is a wasteful number, since it uses less digits than its factorization.

30772338788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693084701 (or 7693084699 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 30772338788 in words is "thirty billion, seven hundred seventy-two million, three hundred thirty-eight thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7693084697 15386169394 30772338788