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1320612141 = 37122872711
BaseRepresentation
bin100111010110110…
…1111000100101101
310102000222001021210
41032231233010231
510201034042031
6335013145033
744504006112
oct11655570455
93360861253
101320612141
116184a64a2
1230a32b179
131807a3c04
14c7568909
157ae12746
hex4eb6f12d

1320612141 has 16 divisors (see below), whose sum is σ = 1787056128. Its totient is φ = 867308400.

The previous prime is 1320612127. The next prime is 1320612149. The reversal of 1320612141 is 1412160231.

It is not a de Polignac number, because 1320612141 - 25 = 1320612109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320612149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485776 + ... + 488486.

It is an arithmetic number, because the mean of its divisors is an integer number (111691008).

Almost surely, 21320612141 is an apocalyptic number.

It is an amenable number.

1320612141 is a deficient number, since it is larger than the sum of its proper divisors (466443987).

1320612141 is a wasteful number, since it uses less digits than its factorization.

1320612141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1320612141 is about 36340.2275859687. The cubic root of 1320612141 is about 1097.1308537239.

Adding to 1320612141 its reverse (1412160231), we get a palindrome (2732772372).

The spelling of 1320612141 in words is "one billion, three hundred twenty million, six hundred twelve thousand, one hundred forty-one".

Divisors: 1 3 71 213 2287 2711 6861 8133 162377 192481 487131 577443 6200057 18600171 440204047 1320612141