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201320231330 = 25811125919717
BaseRepresentation
bin1011101101111110011…
…1101111000110100010
3201020122100112101102002
42323133213233012202
511244300434400310
6232252451124002
720354621505641
oct2733747570642
9636570471362
10201320231330
117841a027579
12330258a3602
1315ca49bb94a
149a5b58b358
15538430dda5
hex2edf9ef1a2

201320231330 has 32 divisors (see below), whose sum is σ = 363129842880. Its totient is φ = 80360838720.

The previous prime is 201320231311. The next prime is 201320231339. The reversal of 201320231330 is 33132023102.

It is not an unprimeable number, because it can be changed into a prime (201320231339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10200632 + ... + 10220348.

It is an arithmetic number, because the mean of its divisors is an integer number (11347807590).

Almost surely, 2201320231330 is an apocalyptic number.

201320231330 is a deficient number, since it is larger than the sum of its proper divisors (161809611550).

201320231330 is a wasteful number, since it uses less digits than its factorization.

201320231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21794.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 201320231330 its reverse (33132023102), we get a palindrome (234452254432).

The spelling of 201320231330 in words is "two hundred one billion, three hundred twenty million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 811 1259 1622 2518 4055 6295 8110 12590 19717 39434 98585 197170 1021049 2042098 5105245 10210490 15990487 24823703 31980974 49647406 79952435 124118515 159904870 248237030 20132023133 40264046266 100660115665 201320231330