Search a number
-
+
6155273940 = 2235791298581
BaseRepresentation
bin1011011101110001…
…00000011011010100
3120212222020022110220
411232320200123110
5100101222231230
62454440514340
7305350652034
oct55670403324
916788208426
106155273940
112679545462
12123947b9b0
137712c333a
144256ab8c4
152605a9d10
hex16ee206d4

6155273940 has 48 divisors (see below), whose sum is σ = 17452942080. Its totient is φ = 1620627840.

The previous prime is 6155273939. The next prime is 6155273947. The reversal of 6155273940 is 493725516.

It is a junction number, because it is equal to n+sod(n) for n = 6155273892 and 6155273901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155273947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644551 + ... + 654030.

It is an arithmetic number, because the mean of its divisors is an integer number (363602960).

Almost surely, 26155273940 is an apocalyptic number.

6155273940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6155273940 is an abundant number, since it is smaller than the sum of its proper divisors (11297668140).

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

6155273940 is a wasteful number, since it uses less digits than its factorization.

6155273940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298672 (or 1298670 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 6155273940 is about 78455.5539143023. The cubic root of 6155273940 is about 1832.6623674349.

The spelling of 6155273940 in words is "six billion, one hundred fifty-five million, two hundred seventy-three thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 1298581 2597162 3895743 5194324 6492905 7791486 12985810 15582972 19478715 25971620 38957430 77914860 102587899 205175798 307763697 410351596 512939495 615527394 1025878990 1231054788 1538818485 2051757980 3077636970 6155273940