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30142561106525 = 5274315877252293
BaseRepresentation
bin1101101101010000111001…
…01001011011101001011101
310221201121012220120022220112
412312220130221123221131
512422323431120402100
6144035145034255405
76230504522660330
oct666503451335135
9127647186508815
1030142561106525
11967142aa2545a
1234699b6887565
1313a857b7a719a
14762c9cbb4617
15374125796b35
hex1b6a1ca5ba5d

30142561106525 has 48 divisors (see below), whose sum is σ = 43712644128384. Its totient is φ = 20187154471680.

The previous prime is 30142561106503. The next prime is 30142561106591. The reversal of 30142561106525 is 52560116524103.

It is not a de Polignac number, because 30142561106525 - 214 = 30142561090141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119348279 + ... + 119600571.

It is an arithmetic number, because the mean of its divisors is an integer number (910680086008).

Almost surely, 230142561106525 is an apocalyptic number.

30142561106525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30142561106525 is a deficient number, since it is larger than the sum of its proper divisors (13570083021859).

30142561106525 is a wasteful number, since it uses less digits than its factorization.

30142561106525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268230 (or 268225 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 30142561106525 in words is "thirty trillion, one hundred forty-two billion, five hundred sixty-one million, one hundred six thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 43 175 215 301 1075 1505 7525 15877 79385 111139 252293 396925 555695 682711 1261465 1766051 2778475 3413555 4778977 6307325 8830255 10848599 17067775 23894885 44151275 54242995 75940193 119474425 271214975 379700965 1898504825 4005655961 20028279805 28039591727 100141399025 140197958635 172243206323 700989793175 861216031615 1205702444261 4306080158075 6028512221305 30142561106525