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21310201122 = 237507385741
BaseRepresentation
bin10011110110001011…
…111101110100100010
32001000010220101022020
4103312023331310202
5322120402413442
613442331322310
71353041502150
oct236613756442
961003811266
1021310201122
119046064571
1241688b0396
132017c74b82
1410623003d0
1584acc39ec
hex4f62fdd22

21310201122 has 16 divisors (see below), whose sum is σ = 48709031232. Its totient is φ = 6088628880.

The previous prime is 21310201079. The next prime is 21310201141. The reversal of 21310201122 is 22110201312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253692829 + ... + 253692912.

It is an arithmetic number, because the mean of its divisors is an integer number (3044314452).

Almost surely, 221310201122 is an apocalyptic number.

21310201122 is an abundant number, since it is smaller than the sum of its proper divisors (27398830110).

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

21310201122 is a wasteful number, since it uses less digits than its factorization.

21310201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507385753.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21310201122 its reverse (22110201312), we get a palindrome (43420402434).

The spelling of 21310201122 in words is "twenty-one billion, three hundred ten million, two hundred one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 507385741 1014771482 1522157223 3044314446 3551700187 7103400374 10655100561 21310201122