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2580942377 = 13292236069
BaseRepresentation
bin1001100111010110…
…0000111000101001
320122212111110100102
42121311200320221
520241210124002
61104034315145
7120646435226
oct23165407051
96585443312
102580942377
111104969232
12600428ab5
1332192c750
141a6ac094d
151018b8a02
hex99d60e29

2580942377 has 12 divisors (see below), whose sum is σ = 2878637580. Its totient is φ = 2300246592.

The previous prime is 2580942359. The next prime is 2580942383. The reversal of 2580942377 is 7732490852.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 692952976 + 1887989401 = 26324^2 + 43451^2 .

It is not a de Polignac number, because 2580942377 - 26 = 2580942313 is a prime.

It is a super-2 number, since 2×25809423772 = 13322527106788820258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2580942337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107102 + ... + 128967.

It is an arithmetic number, because the mean of its divisors is an integer number (239886465).

Almost surely, 22580942377 is an apocalyptic number.

It is an amenable number.

2580942377 is a deficient number, since it is larger than the sum of its proper divisors (297695203).

2580942377 is a wasteful number, since it uses less digits than its factorization.

2580942377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236140 (or 236111 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2580942377 is about 50802.9760644000. The cubic root of 2580942377 is about 1371.7009396779.

It can be divided in two parts, 25809 and 42377, that added together give a palindrome (68186).

The spelling of 2580942377 in words is "two billion, five hundred eighty million, nine hundred forty-two thousand, three hundred seventy-seven".

Divisors: 1 13 29 377 841 10933 236069 3068897 6846001 88998013 198534029 2580942377