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103211000320 = 29540316797
BaseRepresentation
bin110000000011111011…
…0101110001000000000
3100212101221201001121111
41200013312232020000
53142334004002240
6115225305533104
710312444012321
oct1400766561000
9325357631544
10103211000320
113a853a1217a
12180051a4194
13996ab3022c
144dd16b0448
152a410ac1ea
hex1807dae200

103211000320 has 40 divisors (see below), whose sum is σ = 247464506124. Its totient is φ = 41284399104.

The previous prime is 103211000267. The next prime is 103211000359. The reversal of 103211000320 is 23000112301.

It can be written as a sum of positive squares in 2 ways, for example, as 102738198784 + 472801536 = 320528^2 + 21744^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 103211000320.

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, 20155839 + ... + 20160958.

Almost surely, 2103211000320 is an apocalyptic number.

103211000320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103211000320 is an abundant number, since it is smaller than the sum of its proper divisors (144253505804).

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

103211000320 is an frugal number, since it uses more digits than its factorization.

103211000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40316820 (or 40316804 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 103211000320 its reverse (23000112301), we get a palindrome (126211112621).

The spelling of 103211000320 in words is "one hundred three billion, two hundred eleven million, three hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 40316797 80633594 161267188 201583985 322534376 403167970 645068752 806335940 1290137504 1612671880 2580275008 3225343760 5160550016 6450687520 10321100032 12901375040 20642200064 25802750080 51605500160 103211000320