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1369483999 = 13105344923
BaseRepresentation
bin101000110100000…
…1010101011011111
310112102220222212121
41101220022223133
510301041441444
6343520443411
745636264502
oct12150125337
93472828777
101369483999
11643046664
12322779567
1318a955980
14cdc4b139
1580368084
hex51a0aadf

1369483999 has 4 divisors (see below), whose sum is σ = 1474828936. Its totient is φ = 1264139064.

The previous prime is 1369483991. The next prime is 1369484021. The reversal of 1369483999 is 9993849631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9993849631 = 13859721109.

It is a cyclic number.

It is not a de Polignac number, because 1369483999 - 23 = 1369483991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369483991) 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, 52672449 + ... + 52672474.

It is an arithmetic number, because the mean of its divisors is an integer number (368707234).

Almost surely, 21369483999 is an apocalyptic number.

1369483999 is a deficient number, since it is larger than the sum of its proper divisors (105344937).

1369483999 is a wasteful number, since it uses less digits than its factorization.

1369483999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105344936.

The product of its digits is 11337408, while the sum is 61.

The square root of 1369483999 is about 37006.5399490414. The cubic root of 1369483999 is about 1110.5010856140.

The spelling of 1369483999 in words is "one billion, three hundred sixty-nine million, four hundred eighty-three thousand, nine hundred ninety-nine".

Divisors: 1 13 105344923 1369483999