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1379142570 = 2351331114073
BaseRepresentation
bin101001000110100…
…0000101110101010
310120010002200221110
41102031000232222
510311030030240
6344503451150
746114342551
oct12215005652
93503080843
101379142570
11648543253
12325a56ab6
1318c957cc0
14d1242d98
1581124c80
hex52340baa

1379142570 has 64 divisors (see below), whose sum is σ = 3679570944. Its totient is φ = 328527360.

The previous prime is 1379142559. The next prime is 1379142619. The reversal of 1379142570 is 752419731.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 44947 + ... + 69126.

It is an arithmetic number, because the mean of its divisors is an integer number (57493296).

Almost surely, 21379142570 is an apocalyptic number.

1379142570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1379142570 is an abundant number, since it is smaller than the sum of its proper divisors (2300428374).

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

1379142570 is a wasteful number, since it uses less digits than its factorization.

1379142570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114127.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1379142570 is about 37136.8088289772. The cubic root of 1379142570 is about 1113.1056521239.

The spelling of 1379142570 in words is "one billion, three hundred seventy-nine million, one hundred forty-two thousand, five hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 114073 228146 342219 570365 684438 1140730 1482949 1711095 2965898 3422190 3536263 4448847 7072526 7414745 8897694 10608789 14829490 17681315 21217578 22244235 35362630 44488470 45971419 53043945 91942838 106087890 137914257 229857095 275828514 459714190 689571285 1379142570