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1495680142821 = 32321676523809
BaseRepresentation
bin10101110000111101011…
…110111100110111100101
312021222121112001122201020
4111300331132330313211
5144001123104032241
63103034520121353
7213026230306524
oct25607536746745
95258545048636
101495680142821
115273504a2797
12201a58306259
13ab0714639b7
1452569a544bb
1528d8cee1b66
hex15c3d7bcde5

1495680142821 has 8 divisors (see below), whose sum is σ = 2080946285760. Its totient is φ = 953767047552.

The previous prime is 1495680142793. The next prime is 1495680142871. The reversal of 1495680142821 is 1282410865941.

It is a happy number.

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

It is not a de Polignac number, because 1495680142821 - 26 = 1495680142757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1495680142871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10838261836 + ... + 10838261973.

It is an arithmetic number, because the mean of its divisors is an integer number (260118285720).

Almost surely, 21495680142821 is an apocalyptic number.

It is an amenable number.

1495680142821 is a deficient number, since it is larger than the sum of its proper divisors (585266142939).

1495680142821 is a wasteful number, since it uses less digits than its factorization.

1495680142821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21676523835.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 1495680142821 in words is "one trillion, four hundred ninety-five billion, six hundred eighty million, one hundred forty-two thousand, eight hundred twenty-one".

Divisors: 1 3 23 69 21676523809 65029571427 498560047607 1495680142821