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83045215400 = 2352759318011
BaseRepresentation
bin100110101010111100…
…0010110110010101000
321221100120020001012112
41031111320112302220
52330034033343100
6102052255101452
75666636453420
oct1152570266250
9257316201175
1083045215400
113224594a524
1214117811888
137aa5cbaa14
14403b391480
1522609e4b35
hex1355e16ca8

83045215400 has 48 divisors (see below), whose sum is σ = 220663004640. Its totient is φ = 28472644800.

The previous prime is 83045215399. The next prime is 83045215439. The reversal of 83045215400 is 451254038.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29657606 + ... + 29660405.

It is an arithmetic number, because the mean of its divisors is an integer number (4597145930).

Almost surely, 283045215400 is an apocalyptic number.

It is an amenable number.

83045215400 is an abundant number, since it is smaller than the sum of its proper divisors (137617789240).

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

83045215400 is a wasteful number, since it uses less digits than its factorization.

83045215400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59318034 (or 59318025 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 83045215400 its reverse (451254038), we get a palindrome (83496469438).

The spelling of 83045215400 in words is "eighty-three billion, forty-five million, two hundred fifteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 59318011 118636022 237272044 296590055 415226077 474544088 593180110 830452154 1186360220 1482950275 1660904308 2076130385 2372720440 2965900550 3321808616 4152260770 5931801100 8304521540 10380651925 11863602200 16609043080 20761303850 41522607700 83045215400