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1369719142 = 21162259961
BaseRepresentation
bin101000110100100…
…0100000101100110
310112110100221102121
41101221010011212
510301122003032
6343525500154
745641264161
oct12151040546
93473327377
101369719142
116431972a0
1232287165a
1318aa089cc
14cdcacad8
15803b2a97
hex51a44166

1369719142 has 8 divisors (see below), whose sum is σ = 2241358632. Its totient is φ = 622599600.

The previous prime is 1369719089. The next prime is 1369719157. The reversal of 1369719142 is 2419179631.

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

It is a super-2 number, since 2×13697191422 = 3752261055922432328, 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 3 ways as a sum of consecutive naturals, for example, 31129959 + ... + 31130002.

It is an arithmetic number, because the mean of its divisors is an integer number (280169829).

Almost surely, 21369719142 is an apocalyptic number.

1369719142 is a deficient number, since it is larger than the sum of its proper divisors (871639490).

1369719142 is a wasteful number, since it uses less digits than its factorization.

1369719142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62259974.

The product of its digits is 81648, while the sum is 43.

The square root of 1369719142 is about 37009.7168592250. The cubic root of 1369719142 is about 1110.5646403575.

The spelling of 1369719142 in words is "one billion, three hundred sixty-nine million, seven hundred nineteen thousand, one hundred forty-two".

Divisors: 1 2 11 22 62259961 124519922 684859571 1369719142