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1320501320454 = 231733613851857
BaseRepresentation
bin10011001101110100000…
…000110001101100000110
311200020110000012102212010
4103031310000301230012
5133113341314223304
62450344022035050
7164255153012061
oct23156400615406
94606400172763
101320501320454
1146a02662a738
12193b09278a86
13976a45ca1a4
1447cac28b8d8
1524538bba789
hex13374031b06

1320501320454 has 32 divisors (see below), whose sum is σ = 2797188464736. Its totient is φ = 414151557120.

The previous prime is 1320501320387. The next prime is 1320501320461. The reversal of 1320501320454 is 4540231050231.

It is a super-2 number, since 2×13205013204542 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583107 + ... + 2268750.

It is an arithmetic number, because the mean of its divisors is an integer number (87412139523).

Almost surely, 21320501320454 is an apocalyptic number.

1320501320454 is an abundant number, since it is smaller than the sum of its proper divisors (1476687144282).

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

1320501320454 is a wasteful number, since it uses less digits than its factorization.

1320501320454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855240.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1320501320454 its reverse (4540231050231), we get a palindrome (5860732370685).

The spelling of 1320501320454 in words is "one trillion, three hundred twenty billion, five hundred one million, three hundred twenty thousand, four hundred fifty-four".

Divisors: 1 2 3 6 17 34 51 102 3361 6722 10083 20166 57137 114274 171411 342822 3851857 7703714 11555571 23111142 65481569 130963138 196444707 392889414 12946091377 25892182754 38838274131 77676548262 220083553409 440167106818 660250660227 1320501320454