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21013011202 = 219552973979
BaseRepresentation
bin10011100100011110…
…010001101100000010
32000020102200120101011
4103210132101230002
5321013312324302
613353033431134
71342502435221
oct234436215402
960212616334
1021013011202
118a0332a367
1240a526b4aa
131c9b51c151
141034a5ccb8
1582eb6c5d7
hex4e4791b02

21013011202 has 8 divisors (see below), whose sum is σ = 33178438800. Its totient is φ = 9953531604.

The previous prime is 21013011199. The next prime is 21013011233. The reversal of 21013011202 is 20211031012.

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

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, 276486952 + ... + 276487027.

It is an arithmetic number, because the mean of its divisors is an integer number (4147304850).

Almost surely, 221013011202 is an apocalyptic number.

21013011202 is a deficient number, since it is larger than the sum of its proper divisors (12165427598).

21013011202 is a wasteful number, since it uses less digits than its factorization.

21013011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552974000.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21013011202 its reverse (20211031012), we get a palindrome (41224042214).

The spelling of 21013011202 in words is "twenty-one billion, thirteen million, eleven thousand, two hundred two".

Divisors: 1 2 19 38 552973979 1105947958 10506505601 21013011202