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30755731054 = 2236722743961
BaseRepresentation
bin11100101001001011…
…110011011001101110
32221101102100000111011
4130221023303121232
51000441431343204
622043510015434
72136104254246
oct345113633156
987342300434
1030755731054
1112052898a54
125b6404757a
132b91b18339
1416ba96cb26
15c00159304
hex7292f366e

30755731054 has 32 divisors (see below), whose sum is σ = 49074253056. Its totient is φ = 14425561920.

The previous prime is 30755730991. The next prime is 30755731087. The reversal of 30755731054 is 45013755703.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30755730998 and 30755731016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677634 + ... + 721594.

It is an arithmetic number, because the mean of its divisors is an integer number (1533570408).

Almost surely, 230755731054 is an apocalyptic number.

30755731054 is a deficient number, since it is larger than the sum of its proper divisors (18318522002).

30755731054 is a wasteful number, since it uses less digits than its factorization.

30755731054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44280.

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 30755731054 in words is "thirty billion, seven hundred fifty-five million, seven hundred thirty-one thousand, fifty-four".

Divisors: 1 2 23 46 67 134 227 454 1541 3082 5221 10442 15209 30418 43961 87922 349807 699614 1011103 2022206 2945387 5890774 9979147 19958294 67743901 135487802 229520381 459040762 668602849 1337205698 15377865527 30755731054