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1299197107 = 13791265041
BaseRepresentation
bin100110101110000…
…0010110010110011
310100112200001101101
41031130002302303
510130043301412
6332530145231
744123664445
oct11534026263
93315601341
101299197107
116073aa01a
12303122217
131792166b0
14c4792495
15790d2457
hex4d702cb3

1299197107 has 8 divisors (see below), whose sum is σ = 1416847040. Its totient is φ = 1184077440.

The previous prime is 1299197099. The next prime is 1299197111. The reversal of 1299197107 is 7017919921.

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

It is not a de Polignac number, because 1299197107 - 23 = 1299197099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1299197117) 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, 631494 + ... + 633547.

It is an arithmetic number, because the mean of its divisors is an integer number (177105880).

Almost surely, 21299197107 is an apocalyptic number.

1299197107 is a deficient number, since it is larger than the sum of its proper divisors (117649933).

1299197107 is a wasteful number, since it uses less digits than its factorization.

1299197107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265133.

The product of its (nonzero) digits is 71442, while the sum is 46.

The square root of 1299197107 is about 36044.3769123562. The cubic root of 1299197107 is about 1091.1681517365.

It can be divided in two parts, 129919 and 7107, that added together give a triangular number (137026 = T523).

The spelling of 1299197107 in words is "one billion, two hundred ninety-nine million, one hundred ninety-seven thousand, one hundred seven".

Divisors: 1 13 79 1027 1265041 16445533 99938239 1299197107