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11072211437 = 79817161123
BaseRepresentation
bin10100100111111010…
…01000100111101101
31001120122022121201002
422103331020213231
5140133441231222
65030403530045
7541244146550
oct122375104755
931518277632
1011072211437
114771a7a371
122190089925
131075b8b901
1477070a697
1544c0a5392
hex293f489ed

11072211437 has 8 divisors (see below), whose sum is σ = 12655323456. Its totient is φ = 9489441312.

The previous prime is 11072211433. The next prime is 11072211457. The reversal of 11072211437 is 73411227011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11072211437 - 22 = 11072211433 is a prime.

It is a super-2 number, since 2×110722114372 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11072211433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11843 + ... + 149280.

It is an arithmetic number, because the mean of its divisors is an integer number (1581915432).

Almost surely, 211072211437 is an apocalyptic number.

It is an amenable number.

11072211437 is a deficient number, since it is larger than the sum of its proper divisors (1583112019).

11072211437 is an equidigital number, since it uses as much as digits as its factorization.

11072211437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170947.

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 11072211437 its reverse (73411227011), we get a palindrome (84483438448).

The spelling of 11072211437 in words is "eleven billion, seventy-two million, two hundred eleven thousand, four hundred thirty-seven".

Divisors: 1 7 9817 68719 161123 1127861 1581744491 11072211437