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2425389020861 = 25497351129439
BaseRepresentation
bin100011010010110100011…
…100110111011010111101
322120212100112100010001212
4203102310130313122331
5304214144042131421
65054113000014205
7340141254344042
oct43226434673275
98525315303055
102425389020861
11855668966354
12332081a61365
13147936ba5081
14855649431c9
15431537dde5b
hex234b47376bd

2425389020861 has 8 divisors (see below), whose sum is σ = 2426689344000. Its totient is φ = 2424088976400.

The previous prime is 2425389020849. The next prime is 2425389020881. The reversal of 2425389020861 is 1680209835242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2425389020861 - 26 = 2425389020797 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 (2425389020801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18672980 + ... + 18802418.

It is an arithmetic number, because the mean of its divisors is an integer number (303336168000).

Almost surely, 22425389020861 is an apocalyptic number.

It is an amenable number.

2425389020861 is a deficient number, since it is larger than the sum of its proper divisors (1300323139).

2425389020861 is a wasteful number, since it uses less digits than its factorization.

2425389020861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139339.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 2425389020861 in words is "two trillion, four hundred twenty-five billion, three hundred eighty-nine million, twenty thousand, eight hundred sixty-one".

Divisors: 1 2549 7351 129439 18737699 329940011 951506089 2425389020861