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2077943049 = 3274132569
BaseRepresentation
bin111101111011010…
…1110010100001001
312100211000102222200
41323312232110021
513223423134144
6542105310413
7102331140000
oct17366562411
95324012880
102077943049
11976a43406
1249ba95409
13271667400
14159d87c37
15c265bc69
hex7bdae509

2077943049 has 90 divisors (see below), whose sum is σ = 3798240030. Its totient is φ = 1094131584.

The previous prime is 2077943039. The next prime is 2077943081. The reversal of 2077943049 is 9403497702.

2077943049 is a `hidden beast` number, since 207 + 7 + 9 + 430 + 4 + 9 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 67765824 + 2010177225 = 8232^2 + 44835^2 .

It is not a de Polignac number, because 2077943049 - 227 = 1943725321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2077942995 and 2077943013.

It is not an unprimeable number, because it can be changed into a prime (2077943039) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 3651637 + ... + 3652205.

It is an arithmetic number, because the mean of its divisors is an integer number (42202667).

Almost surely, 22077943049 is an apocalyptic number.

It is an amenable number.

2077943049 is a deficient number, since it is larger than the sum of its proper divisors (1720296981).

2077943049 is an equidigital number, since it uses as much as digits as its factorization.

2077943049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 2077943049 is about 45584.4606088522. The cubic root of 2077943049 is about 1276.0799357767.

The spelling of 2077943049 in words is "two billion, seventy-seven million, nine hundred forty-three thousand, forty-nine".

Divisors: 1 3 7 9 13 21 39 49 63 91 117 147 169 273 343 441 507 569 637 819 1029 1183 1521 1707 1911 2401 3087 3549 3983 4459 5121 5733 7203 7397 8281 10647 11949 13377 21609 22191 24843 27881 31213 35847 40131 51779 57967 66573 74529 83643 93639 96161 155337 173901 195167 250929 280917 288483 362453 405769 466011 521703 585501 673127 865449 1087359 1217307 1366169 1756503 2019381 2537171 3262077 3651921 4098507 4711889 6058143 7611513 12295521 14135667 17760197 22834539 32983223 42407001 53280591 98949669 159841773 230882561 296849007 692647683 2077943049