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1203213113 = 47127201577
BaseRepresentation
bin100011110110111…
…1001001100111001
310002212001120002122
41013231321030321
54431010304423
6315221011025
741550066644
oct10755711471
93085046078
101203213113
11568200903
12296b53a75
1316237ab2b
14b5b28a5b
15709728c8
hex47b79339

1203213113 has 8 divisors (see below), whose sum is σ = 1238495232. Its totient is φ = 1168334496.

The previous prime is 1203213079. The next prime is 1203213139. The reversal of 1203213113 is 3113123021.

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

It is a cyclic number.

It is not a de Polignac number, because 1203213113 - 210 = 1203212089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203213091 and 1203213100.

It is not an unprimeable number, because it can be changed into a prime (1203213163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94820 + ... + 106757.

It is an arithmetic number, because the mean of its divisors is an integer number (154811904).

Almost surely, 21203213113 is an apocalyptic number.

It is an amenable number.

1203213113 is a deficient number, since it is larger than the sum of its proper divisors (35282119).

1203213113 is a wasteful number, since it uses less digits than its factorization.

1203213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201751.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1203213113 is about 34687.3624393669. The cubic root of 1203213113 is about 1063.6061800414.

Adding to 1203213113 its reverse (3113123021), we get a palindrome (4316336134).

The spelling of 1203213113 in words is "one billion, two hundred three million, two hundred thirteen thousand, one hundred thirteen".

Divisors: 1 47 127 5969 201577 9474119 25600279 1203213113