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11021442315 = 3513229149921
BaseRepresentation
bin10100100001110110…
…11101110100001011
31001110002210021120020
422100323131310023
5140032442123230
65021351431523
7540056466612
oct122073356413
931402707506
1011021442315
114746353814
1221770855a3
1310684c4400
14767a92879
154478c7810
hex290eddd0b

11021442315 has 48 divisors (see below), whose sum is σ = 19753722720. Its totient is φ = 5238804480.

The previous prime is 11021442287. The next prime is 11021442319. The reversal of 11021442315 is 51324412011.

It is not a de Polignac number, because 11021442315 - 211 = 11021440267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021442319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1446 + ... + 148475.

It is an arithmetic number, because the mean of its divisors is an integer number (411535890).

Almost surely, 211021442315 is an apocalyptic number.

11021442315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11021442315 is a deficient number, since it is larger than the sum of its proper divisors (8732280405).

11021442315 is a wasteful number, since it uses less digits than its factorization.

11021442315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149984 (or 149971 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11021442315 its reverse (51324412011), we get a palindrome (62345854326).

The spelling of 11021442315 in words is "eleven billion, twenty-one million, four hundred forty-two thousand, three hundred fifteen".

Divisors: 1 3 5 13 15 29 39 65 87 145 169 195 377 435 507 845 1131 1885 2535 4901 5655 14703 24505 73515 149921 449763 749605 1948973 2248815 4347709 5846919 9744865 13043127 21738545 25336649 29234595 56520217 65215635 76009947 126683245 169560651 282601085 380049735 734762821 847803255 2204288463 3673814105 11021442315