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1368936437 = 111106911243
BaseRepresentation
bin101000110011000…
…0100111111110101
310112101220011202112
41101212010333311
510300421431222
6343501020405
745631524221
oct12146047765
93471804675
101368936437
11642802230
12322554705
1318a7c367b
14cdb47781
15802aabe2
hex51984ff5

1368936437 has 8 divisors (see below), whose sum is σ = 1493652960. Its totient is φ = 1244264560.

The previous prime is 1368936431. The next prime is 1368936461. The reversal of 1368936437 is 7346398631.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-1368936437 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 (1368936431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116138 + ... + 127380.

It is an arithmetic number, because the mean of its divisors is an integer number (186706620).

Almost surely, 21368936437 is an apocalyptic number.

It is an amenable number.

1368936437 is a deficient number, since it is larger than the sum of its proper divisors (124716523).

1368936437 is a wasteful number, since it uses less digits than its factorization.

1368936437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22323.

The product of its digits is 1959552, while the sum is 50.

The square root of 1368936437 is about 36999.1410305699. The cubic root of 1368936437 is about 1110.3530616733.

The spelling of 1368936437 in words is "one billion, three hundred sixty-eight million, nine hundred thirty-six thousand, four hundred thirty-seven".

Divisors: 1 11 11069 11243 121759 123673 124448767 1368936437