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1220055035125 = 5315676228743
BaseRepresentation
bin10001110000010000111…
…100100110110011110101
311022122011201210110020011
4101300100330212303311
5124442133042111000
62332252513340221
7154101046455133
oct21602074466365
94278151713204
101220055035125
11430471295893
12178555b67671
138b0874c17b4
144309dc58753
1521b0a6c82ba
hex11c10f26cf5

1220055035125 has 16 divisors (see below), whose sum is σ = 1523600612352. Its totient is φ = 975420997200.

The previous prime is 1220055035117. The next prime is 1220055035189. The reversal of 1220055035125 is 5215305500221.

It is not a de Polignac number, because 1220055035125 - 23 = 1220055035117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2918497 + ... + 3310246.

It is an arithmetic number, because the mean of its divisors is an integer number (95225038272).

Almost surely, 21220055035125 is an apocalyptic number.

It is an amenable number.

1220055035125 is a deficient number, since it is larger than the sum of its proper divisors (303545577227).

1220055035125 is an equidigital number, since it uses as much as digits as its factorization.

1220055035125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230325 (or 6230315 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 1220055035125 in words is "one trillion, two hundred twenty billion, fifty-five million, thirty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1567 7835 39175 195875 6228743 31143715 155718575 778592875 9760440281 48802201405 244011007025 1220055035125