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1369220190 = 235134381647
BaseRepresentation
bin101000110011100…
…1010010001011110
310112102102120222220
41101213022101132
510301010021230
6343511050210
745634115412
oct12147122136
93472376886
101369220190
11642986438
12322670966
1318a892880
14cdbbcd42
1580314d10
hex519ca45e

1369220190 has 64 divisors (see below), whose sum is σ = 3621252096. Its totient is φ = 329196672.

The previous prime is 1369220173. The next prime is 1369220231. The reversal of 1369220190 is 910229631.

It is a super-2 number, since 2×13692201902 = 3749527857407272200, 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 31 ways as a sum of consecutive naturals, for example, 24054 + ... + 57593.

It is an arithmetic number, because the mean of its divisors is an integer number (56582064).

Almost surely, 21369220190 is an apocalyptic number.

1369220190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1369220190 is an abundant number, since it is smaller than the sum of its proper divisors (2252031906).

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

1369220190 is a wasteful number, since it uses less digits than its factorization.

1369220190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81713.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1369220190 is about 37002.9754209037. The cubic root of 1369220190 is about 1110.4297743283.

The spelling of 1369220190 in words is "one billion, three hundred sixty-nine million, two hundred twenty thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 43 65 78 86 129 130 195 215 258 390 430 559 645 1118 1290 1677 2795 3354 5590 8385 16770 81647 163294 244941 408235 489882 816470 1061411 1224705 2122822 2449410 3184233 3510821 5307055 6368466 7021642 10532463 10614110 15921165 17554105 21064926 31842330 35108210 45640673 52662315 91281346 105324630 136922019 228203365 273844038 456406730 684610095 1369220190