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1342961971 = 131719319829
BaseRepresentation
bin101000000001011…
…1111100100110011
310110121000112111021
41100002333210303
510222244240341
6341132200311
745164663011
oct12002774463
93417015437
101342961971
1162a08122a
12315909097
131852caa70
14ca5058b1
157cd799d1
hex500bf933

1342961971 has 16 divisors (see below), whose sum is σ = 1611943200. Its totient is φ = 1105325568.

The previous prime is 1342961969. The next prime is 1342962007. The reversal of 1342961971 is 1791692431.

It is a cyclic number.

It is not a de Polignac number, because 1342961971 - 21 = 1342961969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342961911) 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, 155716 + ... + 164113.

It is an arithmetic number, because the mean of its divisors is an integer number (100746450).

Almost surely, 21342961971 is an apocalyptic number.

1342961971 is a deficient number, since it is larger than the sum of its proper divisors (268981229).

1342961971 is a wasteful number, since it uses less digits than its factorization.

1342961971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319878.

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

The square root of 1342961971 is about 36646.4455438723. The cubic root of 1342961971 is about 1103.2854859383.

The spelling of 1342961971 in words is "one billion, three hundred forty-two million, nine hundred sixty-one thousand, nine hundred seventy-one".

Divisors: 1 13 17 19 221 247 323 4199 319829 4157777 5437093 6076751 70682209 78997763 103304767 1342961971