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13882500007 = 21031660097
BaseRepresentation
bin11001110110111011…
…00010001110100111
31022211111101001212221
430323131202032213
5211412410000012
610213314053211
71001010205645
oct147335421647
938744331787
1013882500007
115984344802
12283527a207
13140317bb5c
14959a4c195
15563b73507
hex33b7623a7

13882500007 has 4 divisors (see below), whose sum is σ = 13883181136. Its totient is φ = 13881818880.

The previous prime is 13882499993. The next prime is 13882500017. The reversal of 13882500007 is 70000528831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13882500007 - 27 = 13882499879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13882500017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309018 + ... + 351079.

It is an arithmetic number, because the mean of its divisors is an integer number (3470795284).

Almost surely, 213882500007 is an apocalyptic number.

13882500007 is a deficient number, since it is larger than the sum of its proper divisors (681129).

13882500007 is an equidigital number, since it uses as much as digits as its factorization.

13882500007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681128.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 13882500007 in words is "thirteen billion, eight hundred eighty-two million, five hundred thousand, seven".

Divisors: 1 21031 660097 13882500007