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1996524408125 = 5413245726081
BaseRepresentation
bin11101000011011010001…
…000001100110100111101
321001212101012220111020002
4131003122020030310331
5230202340222030000
64125105103004045
7264146510314112
oct35033210146475
97055335814202
101996524408125
116aa7a2a85205
12282b33b99625
1311636b492730
146c8bd046909
1536e02ce28d5
hex1d0da20cd3d

1996524408125 has 20 divisors (see below), whose sum is σ = 2686768980588. Its totient is φ = 1474356480000.

The previous prime is 1996524408119. The next prime is 1996524408139. The reversal of 1996524408125 is 5218044256991.

It can be written as a sum of positive squares in 10 ways, for example, as 1742244243481 + 254280164644 = 1319941^2 + 504262^2 .

It is not a de Polignac number, because 1996524408125 - 26 = 1996524408061 is a prime.

It is a super-2 number, since 2×19965244081252 (a number of 25 digits) contains 22 as substring.

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 19 ways as a sum of consecutive naturals, for example, 122854916 + ... + 122871165.

Almost surely, 21996524408125 is an apocalyptic number.

It is an amenable number.

1996524408125 is a deficient number, since it is larger than the sum of its proper divisors (690244572463).

1996524408125 is an equidigital number, since it uses as much as digits as its factorization.

1996524408125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245726114 (or 245726099 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 1996524408125 in words is "one trillion, nine hundred ninety-six billion, five hundred twenty-four million, four hundred eight thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 325 625 1625 8125 245726081 1228630405 3194439053 6143152025 15972195265 30715760125 79860976325 153578800625 399304881625 1996524408125