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22031102968 = 2371738772593
BaseRepresentation
bin10100100001001001…
…111111001111111000
32002212101101222201121
4110201021333033320
5330104430243333
614042042555024
71406644166620
oct244111771770
962771358647
1022031102968
119385a8a816
12432a208a74
132101422004
1410cdd59880
1588e22432d
hex52127f3f8

22031102968 has 64 divisors (see below), whose sum is σ = 47554868160. Its totient is φ = 9373003776.

The previous prime is 22031102953. The next prime is 22031103037. The reversal of 22031102968 is 86920113022.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8495080 + ... + 8497672.

It is an arithmetic number, because the mean of its divisors is an integer number (743044815).

Almost surely, 222031102968 is an apocalyptic number.

22031102968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22031102968 is an abundant number, since it is smaller than the sum of its proper divisors (25523765192).

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

22031102968 is a wasteful number, since it uses less digits than its factorization.

22031102968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 22031102968 in words is "twenty-two billion, thirty-one million, one hundred two thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 173 346 692 877 1211 1384 1754 2422 2593 3508 4844 5186 6139 7016 9688 10372 12278 18151 20744 24556 36302 49112 72604 145208 151721 303442 448589 606884 897178 1062047 1213768 1794356 2124094 2274061 3140123 3588712 4248188 4548122 6280246 8496376 9096244 12560492 15918427 18192488 25120984 31836854 63673708 127347416 393412553 786825106 1573650212 2753887871 3147300424 5507775742 11015551484 22031102968