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12202140305 = 517851136711
BaseRepresentation
bin10110101110100110…
…11110001010010001
31011111101110221201102
423113103132022101
5144442221442210
65334450114145
7611244324035
oct132723361221
934441427642
1012202140305
1151a1876683
12244657b955
1311c5cbb084
1483a7da1c5
154b639dea5
hex2d74de291

12202140305 has 8 divisors (see below), whose sum is σ = 14643495744. Its totient is φ = 9761094000.

The previous prime is 12202140287. The next prime is 12202140341. The reversal of 12202140305 is 50304120221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12202140305 - 232 = 7907173009 is a prime.

It is a Duffinian 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, 20900 + ... + 157610.

It is an arithmetic number, because the mean of its divisors is an integer number (1830436968).

Almost surely, 212202140305 is an apocalyptic number.

It is an amenable number.

12202140305 is a deficient number, since it is larger than the sum of its proper divisors (2441355439).

12202140305 is a wasteful number, since it uses less digits than its factorization.

12202140305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154567.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12202140305 its reverse (50304120221), we get a palindrome (62506260526).

The spelling of 12202140305 in words is "twelve billion, two hundred two million, one hundred forty thousand, three hundred five".

Divisors: 1 5 17851 89255 136711 683555 2440428061 12202140305