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1311700542 = 23379760913
BaseRepresentation
bin100111000101110…
…1111011000111110
310101102012021212120
41032023233120332
510141243404132
6334054143410
744335161555
oct11613573076
93342167776
101311700542
1161346a039
12307351b66
1317b9a3889
14c62c8d9c
157a25202c
hex4e2ef63e

1311700542 has 32 divisors (see below), whose sum is σ = 2722124832. Its totient is φ = 421023744.

The previous prime is 1311700541. The next prime is 1311700547. The reversal of 1311700542 is 2450071131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311700541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8923 + ... + 51990.

It is an arithmetic number, because the mean of its divisors is an integer number (85066401).

Almost surely, 21311700542 is an apocalyptic number.

1311700542 is an abundant number, since it is smaller than the sum of its proper divisors (1410424290).

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

1311700542 is a wasteful number, since it uses less digits than its factorization.

1311700542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61052.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1311700542 is about 36217.4066161563. The cubic root of 1311700542 is about 1094.6574387666.

Adding to 1311700542 its reverse (2450071131), we get a palindrome (3761771673).

The spelling of 1311700542 in words is "one billion, three hundred eleven million, seven hundred thousand, five hundred forty-two".

Divisors: 1 2 3 6 37 74 97 111 194 222 291 582 3589 7178 10767 21534 60913 121826 182739 365478 2253781 4507562 5908561 6761343 11817122 13522686 17725683 35451366 218616757 437233514 655850271 1311700542