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1303681049 = 11234750497
BaseRepresentation
bin100110110110100…
…1001100000011001
310100212002212012022
41031231021200121
510132220243144
6333210224225
744210051246
oct11555114031
93325085168
101303681049
11609991960
12304725075
1317a126608
14c51dc5cd
15796bacee
hex4db49819

1303681049 has 8 divisors (see below), whose sum is σ = 1422831648. Its totient is φ = 1184636160.

The previous prime is 1303681021. The next prime is 1303681063. The reversal of 1303681049 is 9401863031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1303681049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303681069) 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, 569 + ... + 51065.

It is an arithmetic number, because the mean of its divisors is an integer number (177853956).

Almost surely, 21303681049 is an apocalyptic number.

It is an amenable number.

1303681049 is a deficient number, since it is larger than the sum of its proper divisors (119150599).

1303681049 is a wasteful number, since it uses less digits than its factorization.

1303681049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52855.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1303681049 is about 36106.5236349333. The cubic root of 1303681049 is about 1092.4220329867.

The spelling of 1303681049 in words is "one billion, three hundred three million, six hundred eighty-one thousand, forty-nine".

Divisors: 1 11 2347 25817 50497 555467 118516459 1303681049