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1349629619 = 13157661259
BaseRepresentation
bin101000001110001…
…1011011010110011
310111001120021210012
41100130123122303
510231001121434
6341531125135
745305443142
oct12034333263
93431507705
101349629619
11632915788
12317ba37ab
131867c3910
14cb35d759
157d7453ce
hex5071b6b3

1349629619 has 8 divisors (see below), whose sum is σ = 1462707120. Its totient is φ = 1237874976.

The previous prime is 1349629583. The next prime is 1349629657. The reversal of 1349629619 is 9169269431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1349629619 - 28 = 1349629363 is a prime.

It is a super-2 number, since 2×13496296192 = 3643000216964170322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349629669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328589 + ... + 332670.

It is an arithmetic number, because the mean of its divisors is an integer number (182838390).

Almost surely, 21349629619 is an apocalyptic number.

1349629619 is a deficient number, since it is larger than the sum of its proper divisors (113077501).

1349629619 is a wasteful number, since it uses less digits than its factorization.

1349629619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661429.

The product of its digits is 629856, while the sum is 50.

The square root of 1349629619 is about 36737.3055489920. The cubic root of 1349629619 is about 1105.1083666236.

The spelling of 1349629619 in words is "one billion, three hundred forty-nine million, six hundred twenty-nine thousand, six hundred nineteen".

Divisors: 1 13 157 2041 661259 8596367 103817663 1349629619