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1201304108 = 221915806633
BaseRepresentation
bin100011110011010…
…0111001000101100
310002201110120102202
41013212213020230
54430013212413
6315112041032
741524626224
oct10746471054
93081416382
101201304108
11567117614
12296393178
13161b5cc44
14b578d084
15706e6e58
hex479a722c

1201304108 has 12 divisors (see below), whose sum is σ = 2212928760. Its totient is φ = 569038752.

The previous prime is 1201304107. The next prime is 1201304119. The reversal of 1201304108 is 8014031021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201304108.

It is not an unprimeable number, because it can be changed into a prime (1201304101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7903241 + ... + 7903392.

It is an arithmetic number, because the mean of its divisors is an integer number (184410730).

Almost surely, 21201304108 is an apocalyptic number.

It is an amenable number.

1201304108 is a deficient number, since it is larger than the sum of its proper divisors (1011624652).

1201304108 is a wasteful number, since it uses less digits than its factorization.

1201304108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15806656 (or 15806654 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1201304108 is about 34659.8342177224. The cubic root of 1201304108 is about 1063.0433802457.

Adding to 1201304108 its reverse (8014031021), we get a palindrome (9215335129).

The spelling of 1201304108 in words is "one billion, two hundred one million, three hundred four thousand, one hundred eight".

Divisors: 1 2 4 19 38 76 15806633 31613266 63226532 300326027 600652054 1201304108