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1369814219 = 17891934691
BaseRepresentation
bin101000110100101…
…1011010011001011
310112110112202211222
41101221123103023
510301133023334
6343531512255
745642141314
oct12151332313
93473482758
101369814219
11643251774
123228b868b
1318aa40077
14cdcd560b
15803d0d2e
hex51a5b4cb

1369814219 has 16 divisors (see below), whose sum is σ = 1474601760. Its totient is φ = 1267875840.

The previous prime is 1369814213. The next prime is 1369814249. The reversal of 1369814219 is 9124189631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1369814219 is a prime.

It is a super-2 number, since 2×13698142192 = 3752781989149159922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1369814219.

It is not an unprimeable number, because it can be changed into a prime (1369814213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289664 + ... + 294354.

It is an arithmetic number, because the mean of its divisors is an integer number (92162610).

Almost surely, 21369814219 is an apocalyptic number.

1369814219 is a deficient number, since it is larger than the sum of its proper divisors (104787541).

1369814219 is a wasteful number, since it uses less digits than its factorization.

1369814219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990.

The product of its digits is 93312, while the sum is 44.

The square root of 1369814219 is about 37011.0013239307. The cubic root of 1369814219 is about 1110.5903358227.

The spelling of 1369814219 in words is "one billion, three hundred sixty-nine million, eight hundred fourteen thousand, two hundred nineteen".

Divisors: 1 17 89 193 1513 3281 4691 17177 79747 292009 417499 905363 7097483 15391171 80577307 1369814219