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1355052110525 = 52611321672641
BaseRepresentation
bin10011101101111111011…
…001100101001010111101
311210112121220121102121122
4103231333121211022331
5134200121320014100
62514300301240325
7166620311616341
oct23557731451275
94715556542548
101355052110525
114827466546a3
1219a7502630a5
139aa1c73c979
1449828c63621
15253ac0b6985
hex13b7f6652bd

1355052110525 has 24 divisors (see below), whose sum is σ = 1709105295528. Its totient is φ = 1065461760000.

The previous prime is 1355052110521. The next prime is 1355052110549. The reversal of 1355052110525 is 5250112505531.

It can be written as a sum of positive squares in 12 ways, for example, as 676560536089 + 678491574436 = 822533^2 + 823706^2 .

It is not a de Polignac number, because 1355052110525 - 22 = 1355052110521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355052110521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1678205 + ... + 2350845.

It is an arithmetic number, because the mean of its divisors is an integer number (71212720647).

Almost surely, 21355052110525 is an apocalyptic number.

It is an amenable number.

1355052110525 is a deficient number, since it is larger than the sum of its proper divisors (354053185003).

1355052110525 is a wasteful number, since it uses less digits than its factorization.

1355052110525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674033 (or 674028 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 1355052110525 in words is "one trillion, three hundred fifty-five billion, fifty-two million, one hundred ten thousand, five hundred twenty-five".

Divisors: 1 5 25 61 305 1321 1525 6605 33025 80581 402905 672641 2014525 3363205 16816025 41031101 205155505 888558761 1025777525 4442793805 22213969025 54202084421 271010422105 1355052110525