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10505606149 = 29737436679
BaseRepresentation
bin10011100100010111…
…01101010000000101
31000010011011002101001
421302023231100011
5133003413344044
64454243333301
7521224115233
oct116213552005
930104132331
1010505606149
114501160435
122052381231
13cb56861cc
14719377953
154174822d4
hex2722ed405

10505606149 has 16 divisors (see below), whose sum is σ = 11033222400. Its totient is φ = 9989433216.

The previous prime is 10505606143. The next prime is 10505606159. The reversal of 10505606149 is 94160650501.

It is a cyclic number.

It is not a de Polignac number, because 10505606149 - 25 = 10505606117 is a prime.

It is a super-2 number, since 2×105056061492 (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 (10505606143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569592 + ... + 1576270.

It is an arithmetic number, because the mean of its divisors is an integer number (689576400).

Almost surely, 210505606149 is an apocalyptic number.

It is an amenable number.

10505606149 is a deficient number, since it is larger than the sum of its proper divisors (527616251).

10505606149 is an equidigital number, since it uses as much as digits as its factorization.

10505606149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 10505606149 in words is "ten billion, five hundred five million, six hundred six thousand, one hundred forty-nine".

Divisors: 1 29 73 743 2117 6679 21547 54239 193691 487567 1572931 4962497 14139443 143912413 362262281 10505606149