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1220314741 is a prime number
BaseRepresentation
bin100100010111100…
…1000011001110101
310011001020102010021
41020233020121311
54444400032431
6321031325141
742145334632
oct11057103165
93131212107
101220314741
11576921588
122a08207b1
13165a87c39
14b80db189
15721eeb11
hex48bc8675

1220314741 has 2 divisors, whose sum is σ = 1220314742. Its totient is φ = 1220314740.

The previous prime is 1220314687. The next prime is 1220314769. The reversal of 1220314741 is 1474130221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1025600625 + 194714116 = 32025^2 + 13954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220314741 - 227 = 1086097013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220314541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610157370 + 610157371.

It is an arithmetic number, because the mean of its divisors is an integer number (610157371).

Almost surely, 21220314741 is an apocalyptic number.

It is an amenable number.

1220314741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220314741 is an equidigital number, since it uses as much as digits as its factorization.

1220314741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1220314741 is about 34933.0036069045. The cubic root of 1220314741 is about 1068.6216102579.

Adding to 1220314741 its reverse (1474130221), we get a palindrome (2694444962).

The spelling of 1220314741 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, seven hundred forty-one".