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11205630137 = 136712865247
BaseRepresentation
bin10100110111110100…
…00101100010111001
31001220221100222202102
422123322011202321
5140422120131022
65051531313145
7544454166422
oct123372054271
931827328672
1011205630137
114830316859
1222088ab7b5
1310977034a0
1478431a649
15458b5ba92
hex29be858b9

11205630137 has 8 divisors (see below), whose sum is σ = 12247716096. Its totient is φ = 10189274832.

The previous prime is 11205630119. The next prime is 11205630143. The reversal of 11205630137 is 73103650211.

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 11205630137 - 28 = 11205629881 is a prime.

It is a super-2 number, since 2×112056301372 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11205633137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6431753 + ... + 6433494.

It is an arithmetic number, because the mean of its divisors is an integer number (1530964512).

Almost surely, 211205630137 is an apocalyptic number.

It is an amenable number.

11205630137 is a deficient number, since it is larger than the sum of its proper divisors (1042085959).

11205630137 is a wasteful number, since it uses less digits than its factorization.

11205630137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865327.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 11205630137 in words is "eleven billion, two hundred five million, six hundred thirty thousand, one hundred thirty-seven".

Divisors: 1 13 67 871 12865247 167248211 861971549 11205630137