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11038154945 = 52207630989
BaseRepresentation
bin10100100011110110…
…01110000011000001
31001111021020100222112
422101323032003001
5140101231424240
65023145545105
7540351524516
oct122173160301
931437210875
1011038154945
114754829204
1221807a5195
13106bac643c
14769da330d
154490c9665
hex291ece0c1

11038154945 has 4 divisors (see below), whose sum is σ = 13245785940. Its totient is φ = 8830523952.

The previous prime is 11038154909. The next prime is 11038154947. The reversal of 11038154945 is 54945183011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54945183011 = 156735063933.

It can be written as a sum of positive squares in 2 ways, for example, as 7585887409 + 3452267536 = 87097^2 + 58756^2 .

It is a cyclic number.

It is not a de Polignac number, because 11038154945 - 226 = 10971046081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11038154947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103815490 + ... + 1103815499.

It is an arithmetic number, because the mean of its divisors is an integer number (3311446485).

Almost surely, 211038154945 is an apocalyptic number.

It is an amenable number.

11038154945 is a deficient number, since it is larger than the sum of its proper divisors (2207630995).

11038154945 is an equidigital number, since it uses as much as digits as its factorization.

11038154945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207630994.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 11038154945 in words is "eleven billion, thirty-eight million, one hundred fifty-four thousand, nine hundred forty-five".

Divisors: 1 5 2207630989 11038154945