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2103312512 = 2772347447
BaseRepresentation
bin111110101011110…
…0000000010000000
312102120202100100102
41331113200002000
513301422000022
6544413141532
7103056601310
oct17527400200
95376670312
102103312512
1198a2a0904
124a848a8a8
132769aa822
1415d4ad440
15c49bda92
hex7d5e0080

2103312512 has 32 divisors (see below), whose sum is σ = 4788793920. Its totient is φ = 901419264.

The previous prime is 2103312509. The next prime is 2103312529. The reversal of 2103312512 is 2152133012.

It is a tau number, because it is divible by the number of its divisors (32).

It is a pancake number, because a pancake can be divided into 2103312512 parts by 64858 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172828 + ... + 1174619.

It is an arithmetic number, because the mean of its divisors is an integer number (149649810).

Almost surely, 22103312512 is an apocalyptic number.

It is an amenable number.

2103312512 is an abundant number, since it is smaller than the sum of its proper divisors (2685481408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103312512 is an equidigital number, since it uses as much as digits as its factorization.

2103312512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347468 (or 2347456 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2103312512 is about 45861.8851771272. The cubic root of 2103312512 is about 1281.2521341007.

Adding to 2103312512 its reverse (2152133012), we get a palindrome (4255445524).

The spelling of 2103312512 in words is "two billion, one hundred three million, three hundred twelve thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 2347447 4694894 9389788 16432129 18779576 32864258 37559152 65728516 75118304 131457032 150236608 262914064 300473216 525828128 1051656256 2103312512