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13829851545 = 351635656381
BaseRepresentation
bin11001110000101001…
…01100100110011001
31022200211022020202220
430320110230212121
5211310420222140
610204153414253
7666500540616
oct147024544631
938624266686
1013829851545
115957655184
12281b70a389
1313c52a7113
14952a6550d
1555e223bd0
hex33852c999

13829851545 has 16 divisors (see below), whose sum is σ = 22263519552. Its totient is φ = 7330668480.

The previous prime is 13829851531. The next prime is 13829851547. The reversal of 13829851545 is 54515892831.

It is not a de Polignac number, because 13829851545 - 28 = 13829851289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13829851547) 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, 2825746 + ... + 2830635.

It is an arithmetic number, because the mean of its divisors is an integer number (1391469972).

Almost surely, 213829851545 is an apocalyptic number.

13829851545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13829851545 is a deficient number, since it is larger than the sum of its proper divisors (8433668007).

13829851545 is a wasteful number, since it uses less digits than its factorization.

13829851545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656552.

The product of its digits is 1728000, while the sum is 51.

The spelling of 13829851545 in words is "thirteen billion, eight hundred twenty-nine million, eight hundred fifty-one thousand, five hundred forty-five".

Divisors: 1 3 5 15 163 489 815 2445 5656381 16969143 28281905 84845715 921990103 2765970309 4609950515 13829851545