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2605436232020 = 225373520859773
BaseRepresentation
bin100101111010100000000…
…110011110000101010100
3100020002002022221002211222
4211322200012132011110
5320141413133411040
65312530524345512
7356144065365026
oct45724006360524
910202068832758
102605436232020
11914a60913a16
12360b4b3a5298
1315b8cb5394cb
1490164b0c016
1547b90220bb5
hex25ea019e154

2605436232020 has 24 divisors (see below), whose sum is σ = 5619292199304. Its totient is φ = 1014007614336.

The previous prime is 2605436232019. The next prime is 2605436232043. The reversal of 2605436232020 is 202326345062.

It can be written as a sum of positive squares in 4 ways, for example, as 522344434756 + 2083091797264 = 722734^2 + 1443292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760429147 + ... + 1760430626.

It is an arithmetic number, because the mean of its divisors is an integer number (234137174971).

Almost surely, 22605436232020 is an apocalyptic number.

2605436232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2605436232020 is an abundant number, since it is smaller than the sum of its proper divisors (3013855967284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605436232020 is a wasteful number, since it uses less digits than its factorization.

2605436232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520859819 (or 3520859817 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 2605436232020 in words is "two trillion, six hundred five billion, four hundred thirty-six million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 3520859773 7041719546 14083439092 17604298865 35208597730 70417195460 130271811601 260543623202 521087246404 651359058005 1302718116010 2605436232020