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1369945070 = 251310538039
BaseRepresentation
bin101000110100111…
…1011001111101110
310112110210102100022
41101221323033232
510301201220240
6343534402142
745643224644
oct12151731756
93473712308
101369945070
1164333100a
12322960352
1318aa877b0
14cdd2b194
15804099b5
hex51a7b3ee

1369945070 has 16 divisors (see below), whose sum is σ = 2655586080. Its totient is φ = 505825824.

The previous prime is 1369945069. The next prime is 1369945081. The reversal of 1369945070 is 705499631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268890 + ... + 5269149.

It is an arithmetic number, because the mean of its divisors is an integer number (165974130).

Almost surely, 21369945070 is an apocalyptic number.

1369945070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1369945070 is a deficient number, since it is larger than the sum of its proper divisors (1285641010).

1369945070 is a wasteful number, since it uses less digits than its factorization.

1369945070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538059.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1369945070 is about 37012.7690128691. The cubic root of 1369945070 is about 1110.6256976080.

The spelling of 1369945070 in words is "one billion, three hundred sixty-nine million, nine hundred forty-five thousand, seventy".

Divisors: 1 2 5 10 13 26 65 130 10538039 21076078 52690195 105380390 136994507 273989014 684972535 1369945070