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3221201120 = 255118117047
BaseRepresentation
bin1011111111111111…
…1010000011100000
322022111020222020012
42333333322003200
523044111413440
61251345304052
7142552520624
oct27777720340
98274228205
103221201120
111403314095
1275a935028
133c4482887
14227b47184
1513cbd9e65
hexbfffa0e0

3221201120 has 48 divisors (see below), whose sum is σ = 7616978208. Its totient is φ = 1287313920.

The previous prime is 3221201117. The next prime is 3221201171. The reversal of 3221201120 is 211021223.

It is a happy number.

It is a super-2 number, since 2×32212011202 = 20752273310978508800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3221201095 and 3221201104.

It is a congruent number.

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, 180437 + ... + 197483.

It is an arithmetic number, because the mean of its divisors is an integer number (158687046).

Almost surely, 23221201120 is an apocalyptic number.

It is an amenable number.

3221201120 is an abundant number, since it is smaller than the sum of its proper divisors (4395777088).

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

3221201120 is a wasteful number, since it uses less digits than its factorization.

3221201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243 (or 18235 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3221201120 is about 56755.6263290257. The cubic root of 3221201120 is about 1476.8598383602.

Adding to 3221201120 its reverse (211021223), we get a palindrome (3432222343).

The spelling of 3221201120 in words is "three billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1181 2362 4724 5905 9448 11810 17047 18896 23620 34094 37792 47240 68188 85235 94480 136376 170470 188960 272752 340940 545504 681880 1363760 2727520 20132507 40265014 80530028 100662535 161060056 201325070 322120112 402650140 644240224 805300280 1610600560 3221201120