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13899809962 = 210764952383
BaseRepresentation
bin11001111000111111…
…00100010010101010
31022212200221111200101
430330133210102222
5211431322404322
610215133100014
71001310302203
oct147437442252
938780844611
1013899809962
115993097a55
12283b02760a
13140692ca2c
1495c0765aa
15565442327
hex33c7e44aa

13899809962 has 8 divisors (see below), whose sum is σ = 21044572416. Its totient is φ = 6884952492.

The previous prime is 13899809953. The next prime is 13899809969. The reversal of 13899809962 is 26990899831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13899809894 and 13899809903.

It is not an unprimeable number, because it can be changed into a prime (13899809969) 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, 32475978 + ... + 32476405.

It is an arithmetic number, because the mean of its divisors is an integer number (2630571552).

Almost surely, 213899809962 is an apocalyptic number.

13899809962 is a deficient number, since it is larger than the sum of its proper divisors (7144762454).

13899809962 is a wasteful number, since it uses less digits than its factorization.

13899809962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64952492.

The product of its (nonzero) digits is 15116544, while the sum is 64.

The spelling of 13899809962 in words is "thirteen billion, eight hundred ninety-nine million, eight hundred nine thousand, nine hundred sixty-two".

Divisors: 1 2 107 214 64952383 129904766 6949904981 13899809962