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3311211320 = 235196836379
BaseRepresentation
bin1100010101011101…
…0001001100111000
322112202121222000022
43011113101030320
523240132230240
61304322430012
7145024555214
oct30527211470
98482558008
103311211320
11144a10208a
12784b02308
1340a009351
14235a97944
15145a699b5
hexc55d1338

3311211320 has 64 divisors (see below), whose sum is σ = 7855056000. Its totient is φ = 1252741248.

The previous prime is 3311211317. The next prime is 3311211367. The reversal of 3311211320 is 231121133.

It is a super-2 number, since 2×33112113202 = 21928240811392284800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515891 + ... + 522269.

It is an arithmetic number, because the mean of its divisors is an integer number (122735250).

Almost surely, 23311211320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3311211320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3927528000).

3311211320 is an abundant number, since it is smaller than the sum of its proper divisors (4543844680).

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

3311211320 is a wasteful number, since it uses less digits than its factorization.

3311211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092 (or 7088 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3311211320 is about 57543.1257406130. The cubic root of 3311211320 is about 1490.4896548424.

Adding to 3311211320 its reverse (231121133), we get a palindrome (3542332453).

The spelling of 3311211320 in words is "three billion, three hundred eleven million, two hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 683 760 1366 2732 3415 5464 6379 6830 12758 12977 13660 25516 25954 27320 31895 51032 51908 63790 64885 103816 121201 127580 129770 242402 255160 259540 484804 519080 606005 969608 1212010 2424020 4356857 4848040 8713714 17427428 21784285 34854856 43568570 82780283 87137140 165560566 174274280 331121132 413901415 662242264 827802830 1655605660 3311211320