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14909927157 = 3213915837529
BaseRepresentation
bin11011110001011001…
…10110111011110101
31102111002122202222100
431320230312323311
5221013420132112
610503255252313
71035324201246
oct157054667365
942432582870
1014909927157
1163612a0a54
122a8137a099
131537c9cc08
14a16298ccd
155c3e712dc
hex378b36ef5

14909927157 has 24 divisors (see below), whose sum is σ = 21708086400. Its totient is φ = 9860897088.

The previous prime is 14909927101. The next prime is 14909927177. The reversal of 14909927157 is 75172990941.

It is not a de Polignac number, because 14909927157 - 27 = 14909927029 is a prime.

It is a super-2 number, since 2×149099271572 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14909927177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1976569 + ... + 1984097.

It is an arithmetic number, because the mean of its divisors is an integer number (904503600).

Almost surely, 214909927157 is an apocalyptic number.

It is an amenable number.

14909927157 is a deficient number, since it is larger than the sum of its proper divisors (6798159243).

14909927157 is a wasteful number, since it uses less digits than its factorization.

14909927157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257 (or 9254 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 14909927157 in words is "fourteen billion, nine hundred nine million, nine hundred twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 3 9 139 417 1251 1583 4749 7529 14247 22587 67761 220037 660111 1046531 1980333 3139593 9418779 11918407 35755221 107265663 1656658573 4969975719 14909927157