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1331016155425 = 52115232192507
BaseRepresentation
bin10011010111100110101…
…111101100000100100001
311201020120210201101210101
4103113212233230010201
5133301410113433200
62455243235302401
7165106551435445
oct23274657540441
94636523641711
101331016155425
11473531a138a0
12195b6274aa01
139868bb64c28
14485c8948825
1524951d7226a
hex135e6bec121

1331016155425 has 24 divisors (see below), whose sum is σ = 1800555730272. Its totient is φ = 967982784000.

The previous prime is 1331016155411. The next prime is 1331016155437. The reversal of 1331016155425 is 5245516101331.

It is not a de Polignac number, because 1331016155425 - 25 = 1331016155393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14342022 + ... + 14434528.

It is an arithmetic number, because the mean of its divisors is an integer number (75023155428).

Almost surely, 21331016155425 is an apocalyptic number.

It is an amenable number.

1331016155425 is a deficient number, since it is larger than the sum of its proper divisors (469539574847).

1331016155425 is a wasteful number, since it uses less digits than its factorization.

1331016155425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144849 (or 144844 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1331016155425 in words is "one trillion, three hundred thirty-one billion, sixteen million, one hundred fifty-five thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 52321 92507 261605 462535 575531 1017577 1308025 2312675 2877655 5087885 14388275 25439425 4840058747 24200293735 53240646217 121001468675 266203231085 1331016155425