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30533661142 = 253614722187
BaseRepresentation
bin11100011011111100…
…101011000111010110
32220210221110200211121
4130123330223013112
51000013104124032
622005454154154
72130436560145
oct343374530726
986727420747
1030533661142
1111a495015a6
125b017b295a
132b57b0471a
14169928375c
15bda8e0a97
hex71bf2b1d6

30533661142 has 16 divisors (see below), whose sum is σ = 47429656272. Its totient is φ = 14733220320.

The previous prime is 30533661107. The next prime is 30533661157. The reversal of 30533661142 is 24116633503.

It is a junction number, because it is equal to n+sod(n) for n = 30533661098 and 30533661107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354628 + ... + 2367559.

It is an arithmetic number, because the mean of its divisors is an integer number (2964353517).

Almost surely, 230533661142 is an apocalyptic number.

30533661142 is a deficient number, since it is larger than the sum of its proper divisors (16895995130).

30533661142 is a wasteful number, since it uses less digits than its factorization.

30533661142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722303.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 30533661142 in words is "thirty billion, five hundred thirty-three million, six hundred sixty-one thousand, one hundred forty-two".

Divisors: 1 2 53 61 106 122 3233 6466 4722187 9444374 250275911 288053407 500551822 576106814 15266830571 30533661142