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1954040611 is a prime number
BaseRepresentation
bin111010001111000…
…0100101100100011
312001011212112210111
41310132010230203
513000213244421
6521521512151
766265033255
oct16436045443
95034775714
101954040611
119130066a6
124664a2657
13251aa5163
14147733cd5
15b6834ee1
hex74784b23

1954040611 has 2 divisors, whose sum is σ = 1954040612. Its totient is φ = 1954040610.

The previous prime is 1954040603. The next prime is 1954040663. The reversal of 1954040611 is 1160404591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1954040611 - 23 = 1954040603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1954040111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977020305 + 977020306.

It is an arithmetic number, because the mean of its divisors is an integer number (977020306).

Almost surely, 21954040611 is an apocalyptic number.

1954040611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954040611 is an equidigital number, since it uses as much as digits as its factorization.

1954040611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1954040611 is about 44204.5315663451. The cubic root of 1954040611 is about 1250.1952998315.

The spelling of 1954040611 in words is "one billion, nine hundred fifty-four million, forty thousand, six hundred eleven".