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2215945196 = 221265343783
BaseRepresentation
bin1000010000010100…
…1010001111101100
312201102200200100022
42010011022033230
514014240221241
61003515221312
7105625136423
oct20405121754
95642620308
102215945196
11a37930473
1251a147838
1329412529a
1417042c2ba
15ce81b54b
hex8414a3ec

2215945196 has 12 divisors (see below), whose sum is σ = 3878299152. Its totient is φ = 1107859728.

The previous prime is 2215945153. The next prime is 2215945219. The reversal of 2215945196 is 6915495122.

It is a super-2 number, since 2×22159451962 = 9820826223350956832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28721 + ... + 72503.

It is an arithmetic number, because the mean of its divisors is an integer number (323191596).

Almost surely, 22215945196 is an apocalyptic number.

It is an amenable number.

2215945196 is a deficient number, since it is larger than the sum of its proper divisors (1662353956).

2215945196 is a wasteful number, since it uses less digits than its factorization.

2215945196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56440 (or 56438 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 2215945196 is about 47073.8270804489. The cubic root of 2215945196 is about 1303.7260353543.

The spelling of 2215945196 in words is "two billion, two hundred fifteen million, nine hundred forty-five thousand, one hundred ninety-six".

Divisors: 1 2 4 12653 25306 43783 50612 87566 175132 553986299 1107972598 2215945196