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1354421695825 = 521119924749597
BaseRepresentation
bin10011101101011001110…
…100101111010101010001
311210110222222101001020001
4103231121310233111101
5134142323423231300
62514113541250001
7166565555313532
oct23553164572521
94713888331201
101354421695825
11482452812810
1219a5b5103901
139a94bc55413
14497a9240689
1525371a8c16a
hex13b59d2f551

1354421695825 has 24 divisors (see below), whose sum is σ = 1841370091200. Its totient is φ = 980084001600.

The previous prime is 1354421695817. The next prime is 1354421695829. The reversal of 1354421695825 is 5285961244531.

It is not a de Polignac number, because 1354421695825 - 23 = 1354421695817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (1354421695829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12320074 + ... + 12429523.

It is an arithmetic number, because the mean of its divisors is an integer number (76723753800).

Almost surely, 21354421695825 is an apocalyptic number.

It is an amenable number.

1354421695825 is a deficient number, since it is larger than the sum of its proper divisors (486948395375).

1354421695825 is a wasteful number, since it uses less digits than its factorization.

1354421695825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24749817 (or 24749812 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 55.

The spelling of 1354421695825 in words is "one trillion, three hundred fifty-four billion, four hundred twenty-one million, six hundred ninety-five thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 199 275 995 2189 4975 10945 54725 24749597 123747985 272245567 618739925 1361227835 4925169803 6806139175 24625849015 54176867833 123129245075 270884339165 1354421695825