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22002131030 = 25113744312203
BaseRepresentation
bin10100011111011011…
…011110000001010110
32002210100220001200212
4110133123132001112
5330030021143110
614035130005422
71406143012415
oct243733360126
962710801625
1022002131030
1193706a1770
124320576872
1320c8419c59
1410ca17747c
1588b8eee05
hex51f6de056

22002131030 has 64 divisors (see below), whose sum is σ = 44475671808. Its totient is φ = 7766328960.

The previous prime is 22002131029. The next prime is 22002131033. The reversal of 22002131030 is 3013120022.

It is a happy number.

It is a super-2 number, since 2×220021310302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22002130996 and 22002131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002131033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1796909 + ... + 1809111.

It is an arithmetic number, because the mean of its divisors is an integer number (694932372).

Almost surely, 222002131030 is an apocalyptic number.

22002131030 is an abundant number, since it is smaller than the sum of its proper divisors (22473540778).

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

22002131030 is a wasteful number, since it uses less digits than its factorization.

22002131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 22002131030 its reverse (3013120022), we get a palindrome (25015251052).

The spelling of 22002131030 in words is "twenty-two billion, two million, one hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 443 814 886 2035 2215 4070 4430 4873 9746 12203 16391 24365 24406 32782 48730 61015 81955 122030 134233 163910 180301 268466 360602 451511 671165 901505 903022 1342330 1803010 2257555 4515110 4966621 5405929 9933242 10811858 24833105 27029645 49666210 54059290 59465219 118930438 200019373 297326095 400038746 594652190 1000096865 2000193730 2200213103 4400426206 11001065515 22002131030