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2677421380 = 225373618137
BaseRepresentation
bin1001111110010110…
…0011010101000100
320220121001002122211
42133211203111010
520440404441010
61121402233204
7123230464144
oct23745432504
96817032584
102677421380
111154375347
126287b5804
1333890c70a
141b5836924
1510a0c508a
hex9f963544

2677421380 has 24 divisors (see below), whose sum is σ = 5774548248. Its totient is φ = 1042023168.

The previous prime is 2677421353. The next prime is 2677421381. The reversal of 2677421380 is 831247762.

2677421380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1221083136 + 1456338244 = 34944^2 + 38162^2 .

It is a super-2 number, since 2×26774213802 = 14337170492162208800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2677421381) 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, 1808329 + ... + 1809808.

It is an arithmetic number, because the mean of its divisors is an integer number (240606177).

Almost surely, 22677421380 is an apocalyptic number.

2677421380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2677421380 is an abundant number, since it is smaller than the sum of its proper divisors (3097126868).

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

2677421380 is a wasteful number, since it uses less digits than its factorization.

2677421380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618183 (or 3618181 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2677421380 is about 51743.8052330905. The cubic root of 2677421380 is about 1388.5842735857.

The spelling of 2677421380 in words is "two billion, six hundred seventy-seven million, four hundred twenty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 3618137 7236274 14472548 18090685 36181370 72362740 133871069 267742138 535484276 669355345 1338710690 2677421380